User's Manual
FIRMWARE VERSION 1.0.1.14      GXP2130/GXP2140/GXP2160 USER MANUAL   Page 11 of 84 
Table 2: GXP2130/ /GXP2140/GXP2160 COMPARISON GUIDE 
Features 
GXP2130 
GXP2140 
GXP2160 
LCD Display 
320x240 
480 x 272 
480 x 272 
LCD 
Backlight 
Yes 
Yes 
Yes 
Number of 
Lines 
3 
4 
6 
Programmabl
e Hard Keys 
8 
N/A 
24 
Programmabl
e Soft Keys 
4 
5 
5 
Extension 
Module 
N/A 
Yes, 
up to 4 EXT Boards, 
N/A 
GXP2130/GXP2140/GXP2160 TECHNICAL SPECIFICATIONS 
Table 3 GXP2130 TECHNICAL SPECIFICATIONS 
Protocols/Standards 
SIP  RFC3261,  TCP/IP/UDP,  RTP/RTCP,  HTTP/HTTPS,  ARP,  ICMP,  DNS  (A 
record,  SRV,  NAPTR),  DHCP,  PPPoE,  TELNET,  TFTP,  NTP,  STUN,  SIMPLE, 
LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6 
Network Interfaces 
Dual  switched  auto-sensing  10/100/1000  Mbps  Gigabit  Ethernet  ports  with 
integrated PoE 
Graphic Display 
2.8 inch (320x240) TFT color LCD 
Feature Keys 
3  line  keys  with  up  to  3  SIP  accounts,  8  speed-dial/BLF  extension  keys  with 
dual-color  LED,  4  programmable  context  sensitive  softkeys, 5  navigation/menu 
keys,  11  dedicated  function  keys  for:  MESSAGE  (with  LED  indicator), 
PHONEBOOK,  TRANSFER,  CONFERENCE,  HOLD,  HEADSET,    MUTE, 
SEND/REDIAL, SPEAKERPHONE, VOL+, VOL- 
Voice Codec 
Support for G.729A/B, G.711ยต/a-law, G.726, G.722 (wide-band), and  iLBC, in-band 
and out-of-band DTMF (in audio, RFC2833, SIP INFO) 
Auxiliary Ports 
RJ9 headset jack (allowing EHS with Plantronics headsets), USB, extension module port 










