Grandstream Networks GXP15XX Users Manual
GXP1520/GXP1525/10
Small Business HD IP Phone
The GXP1520/1525/10 is a powerful IP phone for small-to-medium businesses (SMBs). This Linuxbased model includes 2 lines, 3 XML programmable soft keys and 3-way conferencing. A 132x48
backlit LCD screen creates a clear display for easy viewing. Additional features such as dual switched
10/100 Mbps ports, HD audio, multi-language support, integrated PoE (GXP1525 only), and call-waiting
allow the GXP1520/1525 to be a high quality, versatile and dependable office phone.
Feature Highlights:
• 2 dual-color line keys (with 2 SIP accounts and up to 2 call appearances), 3 XML programmable
context-sensitive soft keys, 3-way conference, multi-language support
• 132*48 pixel backlit LCD display
• HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation,
Electronic Hook Switch (EHS) with Plantronics headsets
• Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for
advanced security protection, 802.1x for media access control
• Personalized music ring tone/ring back tone, and integration with advanced Web and enterprise
applications, local weather service
• Dual-switched 10/ 100 Mbps ports, integrated PoE (GXP1525 only)
• Large phonebook (up to 1000 contacts) and call history (up to 200 records)
• Use with Grandstream’s UCM6100 series IP PBX appliance for Zero-Config provisioning, 1-touch call
recording and more
Protocols/Standards
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP,
ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP,
STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP
Network Interfaces
Dual switched auto-sensing 10/ 100 Mbps Ethernet ports, integrated PoE
(GXP1525 only)
Graphic Display
132*48 backlit LCD display
Feature Keys
2 line keys with dual-color LED and 2 SIP accounts. 3 XML programmable
context sensitive soft keys. 5 (navigation, menu) keys. 13 dedicated
function keys for PAGE/INTERCOM, PHONEBOOK, MESSAGE, CALL
ENCRYPT, HOLD, RECORD, MUTE, HEADSET, TRANSFER,
ONFERENCE, SEND and REDIAL, SPEAKERPHONE, VOLUME
Voice Codecs
Support for G.711µ/a, G.722 (wide-band), G.722.1, G.726-32, G.729
A/B(pending), iLBC, Opus (pending) , in-band and out-of-band DTMF (In
audio, RFC2833, SIP INFO)
Telephony Features
Hold, transfer, forward (unconditional/no-answer/busy), call park/pickup,
3-way conference, shared-call-appearance (SCA) / bridged-lineappearance (BLA), downloadable phone book (XML, LDAP, up to 1000
items), call waiting, call history (up to 200 records), off-hook auto dial,
auto answer, click-to-dial, flexible dial plan, hot desking, personalized
music ringtones, server redundancy & fail-over
HD Audio
Yes, both on handset and speakerphone
Headset Jack
RJ9 headset jack (allowing EHS with Plantronics headsets)
Base Stand
Yes, allow 2 angle positions
Wall Mountable
Yes
QoS
Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
Security
User and administrator level access control, MD5 and MD5-sess based
authentication, 256-bit AES encrypted configuration file, TLS, SRTP,
HTTPS, 802.1x media access control
Multi-language
English, German, Italian, French, Spanish, Portuguese, Russian,
Croatian, simplified and traditional Chinese, Korean, Japanese, and more
Upgrade/Provisioning
Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass
provisioning using TR-069 or AES encrypted XML configuration file
Power & Green Energy
Efficiency
Universal Power Supply Input 100-240VAC 50-60Hz; Output +5VDC, 600mA
PoE+ (802.3af) Max Input voltage: 57V;Class 1, 0.44-3.84W
Physical
Dimension:209(L)*184.5(W)*76.2（H) (with handset)
Unit Weight:723.7g Package Weight:1056.6g
Temperature and
Humidity
Operation: 0°C to 40°C
Storage: -10°C to 60°C
Humidity: 10％ to 90% Non-condensing
Package Content
GXP1520/1525 phone, handset with cord, base stand, universal power
supply, network cable, Quick Start Guide, brochure, GPL license
Compliance
FCC: Part 15 (CFR 47) Class B
CE : EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3,
EN60950-1
RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950
GXP1510/GXP1525/10 Technical Specifications
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