Audio Conference Phone
Grandstream Networks, Inc.
GAC2500 Audio Conference Phone for AndroidTM
User Guide
GAC2500 User Guide
Index
CHANGE LOG .............................................................................................................................................. 9
FIRMWARE VERSION 1.0.1.X .............................................................................................................. 9
WELCOME .................................................................................................................................................. 10
PRODUCT OVERVIEW .............................................................................................................................. 11
FEATURE HIGHTLIGHTS ................................................................................................................... 11
SAFETY COMPLIANCES .................................................................................................................... 12
WARRANTY ......................................................................................................................................... 12
INSTALLING GAC2500 ............................................................................................................................... 13
EQUIPMENT PACKAGE CONTENT ................................................................................................... 13
PRODUCT APPEARANCE .................................................................................................................. 13
CONNECTING GAC2500 .................................................................................................................... 14
IP MODE ....................................................................................................................................... 15
USB SLAVE MODE ...................................................................................................................... 16
DAISY CHAIN MODE ................................................................................................................... 16
MOBILE PHONE MODE .............................................................................................................. 17
GETTING TO KNOW GAC2500 ................................................................................................................. 19
DESKTOP MENU ................................................................................................................................ 19
STATUS ICONS ................................................................................................................................... 19
USING THE ONSCREEN KEYBOARD ............................................................................................... 20
ENGLISH KEYBOARD ................................................................................................................. 20
CHINESE KEYBOARD ................................................................................................................. 21
NUMBERS AND SYMBOLS ......................................................................................................... 21
USING THE LED INDICATOR ............................................................................................................. 22
ASSISTIVE TOUCH .................................................................................................................................... 23
USING TOUCHSCREEN ..................................................................................................................... 23
SHORTCUT KEYS............................................................................................................................... 23
MANAGING STATUS BAR .................................................................................................................. 24
DESKTOP MENU ................................................................................................................................ 25
EDITING WALLPAPER................................................................................................................. 25
EDIT DESKTOP............................................................................................................................ 26
ADDING AN ITEM TO DESKTOP ................................................................................................ 26
MANAGING DESKTOP APPS AND ITEMS ................................................................................. 27
OPENING AN APP ................................................................................................................ 27
MOVING AN APP .................................................................................................................. 27
REMOVING AN APP ............................................................................................................. 28
MANAFERING APPLICATIONS ............................................................................................ 29
HOME SCREEN .................................................................................................................................. 30
CONNECTING TO NETWORK AND DEVICES ......................................................................................... 32
NETWORK ........................................................................................................................................... 32
ETHERNET .......................................................................................................................................... 32
WI-FI .................................................................................................................................................... 32
TURNING WI-FI ON OR OFF ...................................................................................................... 33
BLUETOOTH ....................................................................................................................................... 33
TURNING BLUETOOTH ON OR OFF ......................................................................................... 33
PAIRING GAC2500 WITH A BLUETOOTH DEVICE .................................................................... 34
CONNECTING TO A BLUETOOTH DEVICE ............................................................................... 34
SENDING FILES VIA BLUETOOTH ............................................................................................. 35
VPN SETTINGS ................................................................................................................................... 35
VLAN SETTINGS ................................................................................................................................. 36
LLDP SETTINGS ................................................................................................................................. 36
802.1X MODE ...................................................................................................................................... 37
MAKING PHONE CALLS ............................................................................................................................ 38
ACCOUNT ........................................................................................................................................... 38
MAKING A CALL .................................................................................................................................. 38
DIRECT DIALING ......................................................................................................................... 38
REDIAL ......................................................................................................................................... 38
DIALING A NUMBER VIA CONTACT ........................................................................................... 39
DIALING A NUMBER VIA CALL HISTORY .................................................................................. 39
DIRECT IP CALL .......................................................................................................................... 39
PAGING/INTERCOM .................................................................................................................... 40
ANSWERING A CALL .......................................................................................................................... 40
CALL MANAGEMENT .................................................................................................................. 41
CALL HOLD AND CALL RESUME ...................................................................................................... 41
CALL HOLD .................................................................................................................................. 41
RESUME TO CALL ...................................................................................................................... 42
CALL RECORD.................................................................................................................................... 43
CALL TRANSFER ................................................................................................................................ 44
BLIND TRANSFER ....................................................................................................................... 44
ATTENDED TRANSFER .............................................................................................................. 45
CALL TRANSFER ................................................................................................................. 46
CALL FORWARD .................................................................................................................. 46
DND (DO NOT DISTURB) ................................................................................................................... 48
MISSED CALL ..................................................................................................................................... 49
CALL FORWARD ................................................................................................................................. 49
SET ON LCD ................................................................................................................................ 49
SET FROM WEB GUI ................................................................................................................... 49
7-WAY CONFERENCE ........................................................................................................................ 49
INITIATING CONFERENCE ......................................................................................................... 49
CONFERENCE MANAGEMENT .................................................................................................. 52
INVITE MEMBERS TO CONFERENCE ............................................................................... 53
REMOVING MEMBER FROM CONFERENCE .................................................................... 53
THIRD PARTY APPLICATIONS ................................................................................................... 53
END CONFERENCE .................................................................................................................... 53
SCHEDULE ......................................................................................................................................... 54
VIEW CONFERENCE DETAILS .................................................................................................. 54
ADD SCHEDULED CONFERENCE ............................................................................................. 55
EDIT SCHEDULED CONFERENCE ............................................................................................ 56
RESCHEDULE CONFERENCE ................................................................................................... 56
DELETE SCHEDULED CONFERENCE ...................................................................................... 56
VOICEMAIL ......................................................................................................................................... 58
APPLICATIONS .......................................................................................................................................... 59
CONTACTS.......................................................................................................................................... 59
LOCAL CONTACTS...................................................................................................................... 59
ADD CONTACT ............................................................................................................................ 60
ADD SINGLE CONTACT ...................................................................................................... 60
BATCH IMPORT CONTACTS ............................................................................................... 60
SEARCH CONTACTS ........................................................................................................... 63
MANAGE CONTACTS .................................................................................................................. 63
DELETE CONTACT .............................................................................................................. 63
EXPORT CONTACTS ........................................................................................................... 63
SEND CONTACTS ................................................................................................................ 64
CONTACTS STORAGE STATUS .......................................................................................... 64
ADD GOOGLE ACCOUNT ........................................................................................................... 65
GROUPS ...................................................................................................................................... 67
ADD NEW GROUP ............................................................................................................... 67
CALL GROUPS ..................................................................................................................... 68
DELETE GROUP .................................................................................................................. 68
BLACKLIST .......................................................................................................................................... 68
LDAP .................................................................................................................................................... 70
BS CONTACTS .................................................................................................................................... 73
CALL HISTORY ................................................................................................................................... 73
ADD CONTACT FROM CALL HISTORY...................................................................................... 74
DELETE CALL HISTORY ............................................................................................................. 75
CONFERENCE SCHEDULE VIA CALL HISTORY ...................................................................... 75
MPK ..................................................................................................................................................... 75
EVENR LIST URL ................................................................................................................................ 76
FILEMANAGER ................................................................................................................................... 77
COPY FILE ................................................................................................................................... 77
SEND FILE ................................................................................................................................... 77
DELETE FILE ............................................................................................................................... 77
RENAME FILE .............................................................................................................................. 77
RECORDER ........................................................................................................................................ 78
NORMAL RECORDER ................................................................................................................. 78
CALL RECORDER ....................................................................................................................... 79
RECORDER CONFIGURATION .................................................................................................. 80
DIAGNOSIS ......................................................................................................................................... 81
BROWSER .......................................................................................................................................... 81
GS MARKET ............................................................................................................................................... 82
SEARCH APPS .................................................................................................................................... 82
DOWNLOAD AND INSTALL APPS ...................................................................................................... 82
UPDATE APPS .................................................................................................................................... 82
GAC2500 WEB UI FEATURES ................................................................................................................... 83
ACCESSING GAC2500 WEB GUI ...................................................................................................... 83
SAVING CHANGES ............................................................................................................................. 83
DEFINITIONS ...................................................................................................................................... 83
CALL PAGE ......................................................................................................................................... 84
MAKING A CALL ........................................................................................................................... 85
CONFERENCE CONTROL .......................................................................................................... 85
CONTACTS PAGE ............................................................................................................................... 85
CONTACTS .................................................................................................................................. 85
GROUPS ...................................................................................................................................... 85
SCHEDULE .................................................................................................................................. 86
CALL HISTORY ............................................................................................................................ 86
EXPERIENCING GAC2500 ........................................................................................................................ 87
Table of Tables
GAC2500 User Guide
Table 1 GAC2500 Technical Specifications .............................................................................................. 11
Table 2 GAC2500 Package List ............................................................................................................... 13
Table 3 GAC2500 Interfaces Explanations ............................................................................................... 13
Table 4 GAC2500 Status Icons Descriptions............................................................................................ 19
Table 5 GAC2500 LED Indicator Descriptions ......................................................................................... 22
Table 6 GAC2500 VPN File Parameters .................................................................................................. 35
Table 7 GAC2500 VLAN Configuration Parameters ................................................................................ 36
Table 8 GAC2500 LLDP Configuration Parameters ................................................................................. 36
Table 9 GAC2500 802.1X Mode Parameters ........................................................................................... 37
Table 10 GAC2500 Download Contacts Parameters ............................................................................... 63
Table 11 GAC2500 Export Contacts Parameters ..................................................................................... 64
Table 12 GAC2500 Blacklist Settings Parameters ................................................................................... 69
Table 13 GAC2500 LDAP Book Parameters ............................................................................................ 71
Table 14 GAC2500 Users Access Permissions........................................................................................ 84
Table of Figures
GAC2500 User Guide
Figure 1 GAC2500 Host Interfaces .......................................................................................................... 13
Figure 2 GAC2500 Connection Mode ...................................................................................................... 15
Figure 3 GAC2500 Slave Mode Screen ................................................................................................... 16
Figure 4 GAC2500 Daisy Chain Mode Screen ........................................................................................ 16
Figure 5 GAC2500 Select line Screen ..................................................................................................... 17
Figure 6 GAC2500 Multi-screens ........................................................................................................... 19
Figure 7 GAC2500 Soft Keyboard - English Input Method ...................................................................... 21
Figure 8 GAC2500 English Keyboard-Uppercase .................................................................................. 21
Figure 9 GAC2500 Chinese Keyboard-Google Pinyin Method .............................................................. 21
Figure 10 GAC2500 Soft Keyboard-Symbols and Numbers .................................................................... 21
Figure 11 GAC2500 Soft Keyboard-More Symbols and Numbers ........................................................... 21
Figure 12 GAC2500 Finger Gestures ..................................................................................................... 23
Figure 13 GAC2500 Open Status Bar ...................................................................................................... 24
Figure 14 GAC2500 Status Bar-Notification ............................................................................................. 24
Figure 15 GAC2500 Idle Screen Menu .................................................................................................... 25
Figure 16 GAC2500 Choose Wallpaper ................................................................................................... 26
Figure 17 GAC2500 Weather Forecast Screen ....................................................................................... 27
Figure 18 GAC2500 Move Weather Forecast to Desktop ........................................................................ 28
Figure 19 GAC2500 Remove Weather Forecast from Desktop ............................................................... 29
Figure 20 GAC2500 Managing Applications ............................................................................................ 30
Figure 21 GAC2500 Home Screen .......................................................................................................... 31
Figure 22 GAC2500 Add Wi-Fi Screen ................................................................................................... 33
Figure 23 GAC2500 Bluetooth - Paired Device ....................................................................................... 34
Figure 24 GAC2500 Add VPN Files Screen ............................................................................................. 35
Figure 25 GAC2500 VPN Validation Screen .......................................................................................... 35
Figure 26 GAC2500 Registered Account Status ...................................................................................... 38
Figure 27 GAC2500 Single Incoming Call Screen ................................................................................. 40
Figure 28 GAC2500 New Incoming Call Screen .................................................................................... 41
Figure 29 GAC2500 Single Incoming Call Screen ................................................................................... 42
Figure 30 GAC2500 Call On Hold Screen ................................................................................................ 43
Figure 31 GAC2500 More-Start Recording .............................................................................................. 44
Figure 32 GAC2500 Transfer-Blind Transfer ............................................................................................ 45
Figure 33 GAC2500 Transfer-Attended Transfer ..................................................................................... 46
Figure 34 GAC2500 Call Forward-Select Forward Mode ........................................................................ 47
Figure 35 GAC2500 Call Forward-Transferring ....................................................................................... 48
Figure 36 GAC2500 Call Forward-Split .................................................................................................... 48
Figure 37 GAC2500 Call Forward Mode On Web GUI .......................................................................... 49
Figure 38 GAC2500 Manually Add Numbers To Conference ................................................................... 50
Figure 39 GAC2500 Add Party To Conference ........................................................................................ 51
Figure 40 GAC2500 3-Way Conference .................................................................................................. 52
Figure 41 GAC2500 Schedule Screen ..................................................................................................... 54
Figure 42 GAC2500 Conference Details Screen ..................................................................................... 55
Figure 43 GAC2500 Add Conference Screen .......................................................................................... 55
Figure 44 GAC2500 Delete Conference Screen ...................................................................................... 57
Figure 45 GAC2500 Edit Conferences Screen ........................................................................................ 57
Figure 46 GAC2500 Voice Mail Application.............................................................................................. 58
Figure 47 GAC2500 Local Contacts Screnn ............................................................................................ 59
Figure 48 GAC2500 Add New Contact Screen ........................................................................................ 60
Figure 49 GAC2500 Import Contacts Screen ........................................................................................... 61
Figure 50 GAC2500 Import Contacts Parameters ................................................................................... 61
Figure 51 GAC2500 Download Contacts Screen ..................................................................................... 62
Figure 52 GAC2500 Export Contacts Screen ......................................................................................... 64
Figure 53 GAC2500 Contacts Status Screen ........................................................................................... 65
Figure 54 GAC2500 Account-Sync Interface ........................................................................................... 65
Figure 55 GAC2500 Add Google Account-Wizard 1 ................................................................................ 66
Figure 56 GAC2500 Add Google Account-Wizard 2 ................................................................................ 66
Figure 57 GAC2500 Groups Screen ........................................................................................................ 67
Figure 58 GAC2500 Add Group Screen ................................................................................................... 67
Figure 59 GAC2500 Dial Group Members Screen ................................................................................... 68
Figure 60 GAC2500 Edit Groups Screen ................................................................................................. 68
Figure 61 GAC2500 Blacklist Screen ....................................................................................................... 69
Figure 62 GAC2500 LDAP Book Screen ................................................................................................. 70
Figure 63 GAC2500 LDAP Settings ......................................................................................................... 71
Figure 64 GAC2500 Web GUI Maintenance-LDAP Book ........................................................................ 72
Figure 65 GAC2500 Add LDAP Contact To Local .................................................................................... 73
Figure 66 GAC2500 Call History Screen ................................................................................................ 74
Figure 67 GAC2500 Call History Details .............................................................................................. 74
Figure 68 GAC2500 Add MPK Number .................................................................................................... 75
Figure 69 GAC2500 MPK Number List .................................................................................................... 76
Figure 70 GAC2500 Add Number from Contacts ..................................................................................... 76
Figure 71 GAC2500 MPK Number Screen .............................................................................................. 76
Figure 72 GAC2500 Recorder Screen ..................................................................................................... 78
Figure 73 GAC2500 Normal Recorder ..................................................................................................... 78
Figure 74 GAC2500 Normal Record-Recording ...................................................................................... 79
Figure 75 GAC2500 Call Recordings ....................................................................................................... 80
Figure 76 GAC2500 Recorder Settings Screen ....................................................................................... 81
Figure 77 GAC2500 GS Market ............................................................................................................. 82
Figure 78 GAC2500 Web GUI-Login ........................................................................................................ 83
Figure 79 GAC2500 Web UI Tool Bar ...................................................................................................... 84
Figure 80 GAC2500 Web UI-Call ............................................................................................................. 84
Figure 81 GAC2500 Web UI-Conference Control .................................................................................... 85
Figure 82 GAC2500 Web UI-Contacts ..................................................................................................... 85
Figure 83 GAC2500 Web UI-Groups........................................................................................................ 85
Figure 84 GAC2500 Web Page-Schedule ............................................................................................... 86
Figure 85 GAC2500 Web UI-Call History ................................................................................................. 86
CHANGE LOG
This section documents significant changes from previous versions of GAC2500 user manuals. Only
major new features or major document updates are listed here. Minor updates for corrections or editing
are not documented here.
FIRMWARE VERSION 1.0.1.X
This is the initial version.
WELCOME
Thank you for purchasing Grandstream GAC2500 Audio Conference Phone for AndroidTM. This User
Guide describes the basic concept and tasks necessary to use and configure your GAC2500. This
document covers the topics of conference environment setups, start conference and the relevant
operations like conference reservation. To learn the advanced features and configurations, please visit
http://www.grandstream.com to download the latest "GAC2500 Administration Guide".
GAC2500 is a next generation enterprise-grade 6-line Android IP conference phone with a 4.3" capacitive
touch screen that that runs the Android Operating System and therefore offers full access to the hundreds
of thousands of Android apps in the Google Play Store, including business productivity apps such as
Skype™, Skype for Business™, and Google Hangouts™. The phone features Gigabit ports, 7-way
conference, 3x microphones, 1 Micro USB port, integrated Wi-Fi and Bluetooth for network flexibility. The
GAC2500 delivers superior HD audio quality, rich and leading edge telephony features, automated
provisioning for easy deployment, advanced security protection for privacy, and broad interoperability with
most 3rd party SIP devices and leading SIP/NGN/IMS platforms. GAC2500 is a perfect choice for
enterprise users looking for a high performance, feature rich conference phone with superb audio quality
at competitive price.
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Caution:
Changes or modifications to this product not expressly approved by Grandstream, or operation of this
product in any way other than as detailed by this User Manual, could void your manufacturer warranty.
Warning:
Please do not use a different power adaptor with the GAC2500 as it may cause damage to the products
and void the manufacturer warranty.
--------------------------------------------------------------------------------------------------------------------This document is subject to change without notice. The latest electronic version of this user manual is
available for download here:
http://www.grandstream.com/support
Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for
any purpose without the express written permission of Grandstream Networks, Inc. is not permitted.
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PRODUCT OVERVIEW
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A
record , SRV , NAPTR) , DHCP , PPPoE , SSH , TFTP , NTP , STUN ,
SIMPLE , LLDP , LDAP , TR-069, 802.1x , TLS , SRTP , IPv6 (pending) ,
OpenVPN (pending)
Support for G.711µ/a, G.722, G.726, iLBC, Opus, G.722.1, G.722.1c , in-band and
out-of-band DTMF (In audio, RFC2833, SIP INFO)
Bridge SIP calls with any Android™ VoIP apps such as Skype™ , Skype for
Business (Lync), Google Hangouts™ and more
Hold, transfer, forward (unconditional/no-answer/busy/conditional), call park/pickup,
7-way audio conference, auto answer, downloadable XML phone book (up to 2000
entries), LDAP, call waiting, call history (up to 500 entries), flexible dial plan,
personalized music ringtones, server redundancy & fail-over
Skype™ , Google Hangouts™ , Skype for Business (Lync), Web browser,
Facebook™ , Twitter™ , YouTube, Google calendar, mobile phone data import/export
via Bluetooth, etc. API/SDK available for advanced custom application development
Allows Android 4.4 compliant applications to be deployed in the device with
provisioning control
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
User and administrator level passwords, MD5 and MD5-sess based authentication,
256-bit AES encrypted configuration file, TLS, 128/256-bit SRTP/TLS, HTTPS,
802.1x media access control
English, German, Italian, French, Spanish, Portuguese, Russian, Turkish, Polish,
FEATURE HIGHTLIGHTS
Runs Android ™ 4.4 and offers full access to all Android ™ conference apps in the Google Play Store
(e.g., Skype®, Skype for Business®, Google Hangouts™ , etc.)
World-class high fidelity sound quality with audio bandwidth of up to 14Khz
4.3" capacitive touch screen LCD with support for flexible layout/content customization
3x microphones (12 ft. pickup range), 1x speaker (15 ft. coverage range)
Auto-sensing Gigabit Ethernet port, Wi-Fi, PoE+, Bluetooth, Micro-USB with 3.5mm audio interface
Supports standalone IP mode or USB slave mode
Supports daisy chain (up to 2 units via RJ48 CAT5) mode in large conference room for better audio
quality
NAT-T enables the phone being the Plug and Play device
Automated provisioning using TR-069 or AES encrypted XML configuration file, TLS/SRTP/HTTPS for
advanced security and privacy protection
Table 1 GAC2500 Technical Specifications
Chinese, Korean, Japanese, and more
Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass
provisioning using TR-069 or AES encrypted XML configuration file
3x microphones (12 ft. pickup range), 1x speaker (220-14,000 Hz, 15 ft. coverage
range up to 86dB )
3.5mm audio interface, Micro-USB interface, RJ48 interface, reset pin
4.3"(800*480) capacitive touch screen LCD
Power & Green
Energy Efficiency
Universal power adapter included: Input: 100-240VAC 50-60Hz; Output: 12VDC, 2A
(24W)
Operating: 32 - 104oF / 0 - 40oC
Storage: 14 - 140oF / -10 - 60oC
Humidity: 10% to 90% Non-condensing
FCC: Part 15 (CFR 47) Class B; UL 60950 (power adapter)
CE:EN55022 Class B,EN55024,EN61000-3-2,EN61000-3-3,EN60950-1,
EN62479, RoHS
RCM:AS/ACIF S004;AS/NZS CISPR22/24;AS/NZS 60950;AS/NZS 4268
1x auto-sensing Gigabit Ethernet port, integrated 2.4GHZ auto-band Wi-Fi and 3.0
SAFETY COMPLIANCES
The GAC2500 complies with FCC/CE, RCM and various safety standards. The GAC2500 power adapter
is compliant with the UL standard. Use the universal power adapter provided with the GAC2500 package
only. The manufacturer’ s warranty does not cover damages to the phone caused by unsupported power
adapters.
WARRANTY
If the GAC2500 phone is purchased from a reseller, please contact the company where the device is
purchased for replacement, repair or refund. If the phone is purchased directly from Grandstream, please
contact Grandstream Support for a RMA (Return Materials Authorization) number before the product is
returned. Grandstream reserves the right to remedy warranty policy without prior notification.
INSTALLING GAC2500
12V Universal Power Adapter with power cable
EQUIPMENT PACKAGE CONTENT
The GAC2500 package contains the following items:
Table 2 GAC2500 Package List
PRODUCT APPEARANCE
Figure 1 GAC2500 Host Interfaces
Table 3 GAC2500 Interfaces Explanations