Grandstream Networks GXP2120 User Manual User Manual

FIRMWARE VERSION 1.0.5.24 GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 12 of 77
Graphic Display
LCD size and backlight:
GXP2120
GXP2110
GXP2100
GXP1450
GXP140x
320x160 pixel
240x120 pixel
180x90 pixel
180x60 pixel
128x40 pixel
Backlight
Backlight
Backlight
Backlight
No Backlight
Feature Keys
Feature key comparison:
GXP2120
GXP2110
GXP2100
GXP1450
GXP140x
HOLD
Yes
Yes
Yes
Yes
Yes
SPEAKER
Yes
Yes
Yes
Yes
Yes
SEND
Yes
Yes
Yes
Yes
Yes
TRANSFER
Yes
Yes
Yes
Yes
Yes
CONF
Yes
Yes
Yes
Yes
Yes
MUTE
Yes
Yes
Yes
Idle: DND
Talk: MUTE
Idle: DND
Talk: MUTE
DND
Yes
Yes
No
HEADSET
Yes
Yes
Yes
Yes
Yes
INTERCOM
Yes
Yes
Yes
No
No
PHONEBOOK
Yes
Yes
Yes
Yes
No
MSG
Yes
Yes
Yes
Yes
No
MENU
Yes
Yes
Yes
Yes
Yes
NAVIGATION
Yes
Yes
Yes
Yes
Yes
Note:
GXP14xx uses the same key for DND/MUTE by default. When the phone is in idle, the
key will be used as DND. When the phone is in talking status, the key will be used as
MUTE.
Voice Codec
Support for G.723.1, G.729A/B, G.711u/a, G.726-32, G.722 (wide-band), iLBC, in-band
and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Telephony
Features
Hold, transfer, forward, up to 5-way conference for GXP2120/GXP2110/GXP2100, up to
3-way conference for GXP14xx, call park, pickup, shared-call-appearance
(SCA)/bridged-line-appearance (BLA), downloadable phone book (XML, LDAP, up to
2000 items for GXP2120/GXP2110/GXP2100, up to 500 items for GXP14xx), call waiting,

Grandstream Networks GXP2120 Specifications

General

Brand	Grandstream Networks
Model	GXP2120
Category	IP Phone
Language	English