Grandstream Networks GXW4248 User Manual
Grandstream Networks, Inc.
Analog IP Gateway GXW4248
GXW42XX User Manual www.grandstream.com
Firmware Version 1.0.0.49 support@grandstream.com
GXW4248 USER MANUAL
INDEX
GNU GPL INFORMATION .......................................................................... 5
CHANGE LOG ........................................................................................... 6
WELCOME ................................................................................................. 7
GATEWAY GXW4248 OVERVIEW ........................................................................................................ 7
SAFETY COMPLIANCE ........................................................................................................................ 7
WARRANTY ........................................................................................................................................... 7
CONNECT YOUR GXW4248 GATEWAY ................................................... 9
EQUIPMENT PACKAGING ................................................................................................................... 9
CONNECT THE GXW4248 ................................................................................................................... 9
GXW4248 FEATURES ............................................................................. 13
SOFTWARE FEATURES OVERVIEW ................................................................................................ 13
HARDWARE SPECIFICATION ............................................................................................................ 14
GXW4248 LCD MENU......................................................................................................................... 15
FIGURE 3: LCD MENUBASIC OPERATIONS ......................................... 16
BASIC OPERATIONS .............................................................................. 17
UNDERSTANDING GXW VOICE PROMPTS ..................................................................................... 17
PLACING A PHONE CALL .................................................................................................................. 18
PHONE OR EXTENSION NUMBERS .......................................................................................... 18
DIRECT IP CALLS ........................................................................................................................ 19
CALL HOLD ......................................................................................................................................... 20
CALL WAITING .................................................................................................................................... 20
CALL TRANSFER ................................................................................................................................ 20
BLIND TRANSFER ....................................................................................................................... 20
A TTENDED TRANSFER .............................................................................................................. 21
3-WAY CONFERENCING .................................................................................................................... 21
HUNTING GROUP .............................................................................................................................. 21
INTER-PORT CALLING ....................................................................................................................... 23
SENDING AND RECEIVING FAX ....................................................................................................... 24
SUPPORT RADIUS PROTOCOL ........................................................................................................ 24
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 2 OF 56
CALL FEATURE S .................................................................................... 25
CONFIGURATION GUIDE ........................................................................ 27
CONFIGURING GXW4248 VIA VOICE PROMPT .............................................................................. 27
CONFIGURING GXW4248 WITH WEB BROWSER .......................................................................... 27
ACCESS THE WEB CONFIGURATION MENU ........................................................................... 28
IMPORTANT SETTINGS ..................................................................................................................... 28
NAT SETTINGS ............................................................................................................................ 28
DTMF METHODS ......................................................................................................................... 29
PREFERRED VOCODER (CODEC) ............................................................................................ 29
SA VING THE CONFIGURATION CHANGES...................................................................................... 49
REBOOTING FROM REMOTE ........................................................................................................... 49
CONFIGURA TION THROUGH A CENTRAL SERVER ....................................................................... 50
SOFTWARE UPGRADE ........................................................................... 51
FIRMWARE UPGRADE THROUGH TFTP/ H TTP / HT TP S .................................................................. 51
INSTRUCTIONS FOR LOCAL FIRMWARE UPGRADE: .................................................................... 52
CONFIGURATION FILE DOWNLOAD ................................................................................................ 52
FIRMWARE AND CONFIGURATION FILE PREFIX AND POSTFIX .................................................. 53
MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD .............................................. 53
RESTORE FACTORY DEFAULT SETTI NG ............................................. 54
FACTORY RESET ............................................................................................................................... 54
RESET BUTTON .......................................................................................................................... 54
IVR COMMAND ............................................................................................................................ 54
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 3 OF 56
TABLE OF FIGURES
GXW4248 User Manual
Figure 1: Diagram of GXW4248 Panel ....................................................................................................... 10
Figure 2: 50 Pin Telco Connector ................................................................................................................ 11
Figure 3: LCD Menu .................................................................................................................................... 16
T
ABLE OF TABLES
GXW4248 User Manual
Table 1: Definitions of the GXW Connectors .............................................................................................. 10
Table 2: Definitions of the GXW Display Panel .......................................................................................... 10
Table 3: GXW4248 Software Features ...................................................................................................... 13
Table 4: Hardware Specification of GXW4248 gateway ............................................................................ 14
Table 5: Definitions of the GXW Voice Prompts ......................................................................................... 17
Table 6: Call Features Table (Star Code) ................................................................................................... 25
Table 7: Status ............................................................................................................................................ 30
Table 8: Maintenance ................................................................................................................................. 31
Table 9: Advanced settings ........................................................................................................................ 36
Table 10: Profiles ........................................................................................................................................ 37
Table 11: FXS Ports.................................................................................................................................... 49
ONFIGURATION GUI INTERFACE EXAMPLES
C
GXW4248 User Manual
http://www.grandstream.com/products/gxw_series/GXW42xx/documents/GXW42xx_gui.zip
CREENSHOT OF ADVANCED SETTINGS CONFIGURATION PAGE
1. S
2. S
CREENSHOT OF BASIC SETTINGS CONFIGURATION PAGE
3. S
CREENSHOT OF FXS PORTS CONFIGURATION LOGIN PAGE
4. S
CREENSHOT OF PROFILE 1 CONFIGURATION PAGE
5. S
CREENSHOT OF PROFILE 2 CONFIGURATION PAGE
6. S
CREENSHOT OF STATUS PAGE
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 4 OF 56
GNU GPL INFORMATION
GXW4248 firmware contains third-part y software licensed un der the GNU Gen eral Public Lice nse (GPL).
Grandstream uses software under the specific terms of the GPL. Please see the GNU General Public
License (GPL) for the exact terms and conditions of the license.
Grandstream GNU GPL related source code can be downloaded from Grandstream web site from:
http://www.grandstream.com/support/faq/gnu_gpl .
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 5 OF 56
CHANGE LOG
This section documents significant changes from previous versions of GXW4248 user manuals. Only
major new features or major docum ent updates are listed here. Minor updates for cor rections or ed iting
are not documented here.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 6 OF 56
WELCOME
Thank you for purchasing t he Grands tream GXW4248 Analog FXS IP Gateway. The GXW4248 offers an
easy to manage, easy to configure IP communications solution for any business with virtual and/or branch
locations. The GXW4248 supports popular voice codecs and is designed for full SIP compatibility and
interoperability with third party SIP providers, thus enabling you to fully leverage the benefits of VoIP
technology, integrate a traditional phone system into a VoIP network, and efficiently manage
communication costs.
This manual will help you learn how to operate and manage your GXW FXS Analog IP Gateway and
make the best use of its many upgraded features including simple and quick installation, multi-party
conferencing, and direc t IP-IP Calling. This IP Analog G ateway is very easy to manage and scalable,
specifically designed t o be an easy to use and affordable VoIP solution for the small – medium bus iness
or enterprise.
GAT E WAY GXW4248 OVERVIEW
The new GXW4248 has a compact and quiet design and offers superb audio quality, rich feature
functionality, strong security protection, and good manageability. It is auto-configurable, remotely
manageable and scalable.
The GXW4248 features 48 port FXS interface for analog telephones, dual 10/100/1000Mbps network
ports, and RJ21 analog port. In addition, it supports the option of 4 SIP Server profiles, caller ID for
various countries/r egions, T.38 fax, flexible dialing plans, security protectio n (SIPS/TLS), com prehensive
voice codec including G.711 (a/u-law), G.723.1, G.726(16/24/32/40 bit rates), iLBC and G.729.
SAFETY COMPLIANCE
The GXW4248 is compliant with various safety standards including FCC/CE. Its power adapter is
compliant with UL standard. Warning: use only the power a dapter included in the GXW4248 package.
Use of alternative power adapter may permanently damage the unit.
WARRANTY
Grandstream has a reseller agreement with our reseller customers. End users should contact the
company from whom the product was purchased, for replacement, repair or refund.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 7 OF 56
If you purchased the product directly from Grandstream, contact your Grandstr eam Sales and Service
Representative for an RMA (Return Materials Author ization) number. Grandstream reserves the right to
change the warrant y polic y with out pr ior notif icat io n.
Caution: Changes or modificatio ns to t his product not ex press ly appr oved by Grands trea m, or operation
of this product in any way other than as detailed by this User Manual, could void your manufacturer
warranty.
Reproduction or transm ittal of the entire or any part, in any for m or by any means , electronic or print, for
any purpose without the express written permission of Grandstream Networks, Inc. is not permitted.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 8 OF 56
CONNECT YOUR GXW4248 GAT E WAY
Connecting the GXW4248 gateway is easy. Before you begin, please verify the contents of the
GXW4248 package.
EQUIPMENT PACKAGING
Unpack and check all accessories. Equipment includes:
• one device unit
• one RJ45 Ethernet cable
• one 24V 6.5A universal power adapter
• mount
CONNECT THE GXW4248
Follow these four (4) steps to connect your GXW4248 gateway to the Internet and access the unit’s
configuration pages.
1. Connect standard touch-tone anal og phones to the GXW4248’s RJ21 port with a RJ11 to R21
cable.
2. Insert an RJ45 Ethernet cable into the WAN port of GXW4248 and connect the other end to an
uplink port (a router or a modem, etc.)
3. Plug the power adapter into the GXW4248 gateway into a power outlet.
Follow the instructions from the topic “
The GUI pages will guide you through the remaining steps to set-up your gateway.
Configuring GXW 42XX wit h Web Brows er” for init ial config uration.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 9 OF 56
Ethernet port
RESET
Factory Reset button. Press and hold for a while to reset factory default settings.
DC IN
Power adapter connection
Analog port
Connect to analog phones / fax machines with an RJ21 to RJ11 cable
FXS ports
FXS port to be connected to analog phones / fax machines.
Act LED
Remains ON if plug the network cable.
LINK LED
Indicates Ethernet port act iv ity.
FXS LED
Indicate status of the respective FXS Ports on the back panel
FIGURE 1: DIAGRAM OF GXW4248 PANEL
TABLE 1: DEFINITIONS OF THE GXW CONNECTORS
Connect to the internal LAN network , router or PC
Note: O nce the GXW4248 is tur ned on and configured, th e front disp lay panel indicates the status of th e
unit.
TABLE 2: DEFINITIONS OF THE GXW DISPLAY PANEL
Busy - ON (Solid Green)
Available - OFF
Slow blinking FXS LEDs indicates Voice Mail for that port.
All FXS LEDs slow blinking indicates provisioning.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 10 OF 56
Pin
Signal
Pin
Signal
1
RING1
26
TIP1
2
RING2
27
TIP2
3
RING3
28
TIP3
4
RING4
29
TIP4
5
RING5
30
TIP5
6
RING6
31
TIP6
7
RING7
32
TIP7
8
RING8
33
TIP8
9
RING9
34
TIP9
10
RING10
35
TIP10
11
RING11
36
TIP11
12
RING12
37
TIP12
13
RING13
38
TIP13
14
RING14
39
TIP14
15
RING15
40
TIP15
16
RING16
41
TIP16
17
RING17
42
TIP17
18
RING18
43
TIP18
19
RING19
44
TIP19
20
RING20
45
TIP20
21
RING21
46
TIP21
22
RING22
47
TIP22
23
RING23
48
TIP23
24
RING24
49
TIP24
FIGURE 2: 50 PIN TELCO CONNECTOR
NOTE:
The last pair of pin 25 and 50 on each RJ21 is not connected.
All LED lights display green when ON.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 11 OF 56
LINK LED and ACT LED blinking in following status indicate different network speed.
10M: LINK and ACT all blink, ACT blinks faster then LINK
100M: LINK and ACT all blink, ACT blinks the same fast as LINK
1000M: LINK does not blink, only ACT blink
Slow blinking of FXS LED together indicates a firmware upgrade or provisioning state.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 12 OF 56
GXW4248 FEATURES
GXW4248
Telephone Interfaces
SIP Provisioning
Network Interface
NG (comfort noise generation) and PLC (packet
loss concealment), LEC with NLP Packetized Voice Protocol Unit (supports
The GXW4248 is a next generation IP voice gatewa y that is i ntero per ab le and compatible with leading IPPBXs, Soft switches and SIP platforms. The GXW4248 FXS gateway is auto-configurable, remotely
manageable and sca lable. The GXW4248 offers superb v oice quality, traditional telephony funct ionality,
easy deployment, and 48 FXS ports. Each model feat ures flexible d ialing plans , integrated call routing to
support a pure IP network call and an external power supply.
SOFTWARE FEATURES OVERVIEW
• 48 FXS ports
• RJ-45 Ethernet ports
• 4 configurable SIP profiles
• Supports Voice Codecs:
G711(a/µ, Annex I & II), G723.1A, G726 (AD PCM with 16/24/32/40 bit rates), G729 A/B, iLBC,
T.38 Fax
• Comprehensive Dial Plan support for Outgoing calls.
• G.168 Echo Cancellation
• Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss
Concealment (PLC)
• Supports PSTN/PBX analog telephone sets or analog trunks
TABLE 3: GXW4248 SOFTWARE FEATURES
48 FXS ports
48 SIP accounts, 4 profiles
10/100/1000 Mbps, RJ-45
Number of Concurrent
Calls (except when using
SRTP)
48 Concurrent Calls
Voice over Packet
Capabilities
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 13 OF 56
Voice Activity Detection (VAD) with C
RTP/RTCP and AAL2 protocol), G.168 compliant Echo Cancellation, Dynamic Jit ter
Voice Compression
G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder, G.722
provides proprietary VAD, CNG, and signal power estimation, Voice Play Out unit
, fixed and adaptive jitter buffer, clock synchronization), AGC (automatic
switch to G.711 for Fax
Buffer, Modem detection & auto-switch to G.711
(pending), G.723.1A, G.726(ADPCM with 16/24/32/40 bit rates), G.729, iLBC, G.726
(reordering
gain control),
Status output, Decoder controlling via voice packet header
DHCP Server/Client
Fax over IP
QoS
Transport Protocol
DTMF Method
IP Signaling
Provisioning
Security
Management
Dial Plan
3-Way Conference
Caller ID
Polarity Reversal / Wink
DHCP Client only
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-
Pass-through,
Fax Datapump V.17, V.21, V.27ter, V.29 for T.38 fax relay
DiffServ, TOS, 802.1P/Q VLAN tagging
RTP/RTCP
In-audio, RFC2833, and/or SIP Info
SIP (RFC 3261)
TFTP, HTTP, HTTPS
SRTP, IPSEC, TLS/SIPS, HTTPS, 802.1x
Syslog support, HTTP and Telnet access
Yes
3-Way conference with local mixing
Bellcore Type 1 & 2, ETSI, BT, NTT, FSK and DTMF-based CID
Yes
Network Connectivity
IPv4, IPv6, TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP,
NTP, TFTP, TELNET, PPPoE, STUN
HARDWARE SPECIFICATION
The hardware specifications of the GXW4248 are detailed in Table 4.
TABLE 4: HARDWARE SPECIFICATION OF GXW4248 GATEWAY
GXW4248
Telephone Interface
FXS LEDs
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 14 OF 56
2 RJ21 Ports only
48
Network interface
Power Input
Input
LAN, Single 10/100/1000 BASE-TX,RJ45
:100-240VAC, 50/60Hz
Output: 24V DC, 6.25A
LCD screen
Telco connector
RJ-11 connectors
NAND Flash
DRAM
Function Buttons
Environmental
Mounting
Onhook Voltage
Ring Voltage
Ring Frequency
Short Haul Loop
Outdoor Protection
128×32 pixel
2 RJ21 (50 pins)
No
64MB
128MB (+ separate 8MB if with a slave processor)
1 button for Reset/Factory Reset
Operation: 0°C to 45°C
Storage: -20°C to 60°C
Humidity: 10％ to 90% Non-condensing
Desktop and Rack mount
Fixed, 48V
50Vrms (balanced ringing)
20-50Hz
2REN: Up to 1km on 24 AWG wire
Over-voltage Protection and surge immunity
Signaling
EMC
Safety
Compliance
FXS Loop-start
EN55022/EN55024 and FCC part15 Class B
UL
FCC, CE, C-Tick
GXW4248 LCD MENU
The GXW4248 gateway inc ludes a sm all LC D sc reen f or th e dis pla y of bas ic inf or m ation. The L CD has a
display area of 128x32 pixels, which will allow for 2 lines of text with a 16px height limitation per line.
The LCD menu is showed as Figure 3: LCD Menu. Menu is navigated by the Down-arrow and OK button.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 15 OF 56
FIGURE 3: LCD MENU
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 16 OF 56
BASIC OPERATIONS
Menu
Voice Prompt
User’s Options
Main Menu
“Enter a Menu Option”
Enter “*” for the next menu option
001
“DHCP Mode”, “PPPoE
Enter ‘9’ to toggle the selection
If user selects “Static IP Mode”, user need configure all the IP
05. If user selects
“Dynamic IP Mode”, the device will retrieve all IP address
tically when user reboots
002
“IP Address “ + IP address
The current WAN IP address is announced
003
“Subnet “ + IP address
Same as Menu option 002
004
“Gateway “ + IP address
Same as Menu option 002
005
“DNS Server “ + IP address
Same as Menu option 002
007
Preferred Vocoder
Enter “9” to go to the next selection in the list:
010
“MAC Address”
Announces the Mac address of the unit.
013
Firmware Server IP
Announces current Firmware Server IP address. Enter 12 digit
014
Configuration Server IP
Announces current Config Server Path IP address. Enter 12 digit
015
Upgrade Protocol
Upgrade protocol for firmware and configuration update. Enter
UNDERSTANDING GXW VOICE PROMPTS
GXW4248 has a built-in voice prom pt menu for simple device configuration. To enter the voice prompt
menu, press *** on the standard analog phone connected to any FXS port.
TABLE 5: DEFINITIONS OF THE GXW VOICE PROMPTS
Enter “#” to return to the main menu
Enter “001 – 005, 007, 010, 013 - 017, 047, 086 or 099” Menu
option
Enter “9” for confirming a option
Mode ”or “Static IP Mode”
address information through menu 002 to 0
Address
information from DHCP server automa
the device.
Enter 12-digit new IP address if in Static IP Mode.
• PCM U
• PCM A
• iLBC
• G-726
• G-723
• G-729
new IP address.
FIRMWARE 1.0.3.4 GXW42XX USER MANUAL PAGE 17 OF 56
Address
new IP address.
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