IP Voice Telephony   GXP21xx Series Enterprise IP Phones

Standard Phone Ringtones (11)
GXP2160 and LDAP search (1)
21xx dropping calls after 1.0.9.x (10)
Plans to support Apple AirPods? (5)
RTP curiosities about GXP16XX phones GXP21XX (3)
GXP2140 won't pick up parked call unless "End" is pressed first on handset (5)
GXP2170 ( seconds of silence after attended Transfer with BLF (2)
Need improved GXP2200EXT with color display! ( 2 3 ) (56)
Common config settings for GXP21xx VOIP phones (9)
GPX2130 Locked out of Admin Settings (4)
EHS cable won't pick-up call on gxp2160 (14)
Frozen GXP2170 (2)
Idle_screen customization of GPX2100 (2)
Bugs on disabled weather forecasts (5)
Need suggestions: Multiple accounts on phone, how to handle call park buttons (4)
Message Waiting Indicator not working or not turn on (3)
Looking for a dial plan that cuts the post dial delay timeout (8)
GXP2130 Freezes (9)
GXP2135 upgraded firmware - no dialing sounds nor calling tone (9)
GXP2140 with GXP2200EXT Expansion Module BLF and Transfer (10)
GXP2140 and EXT2200 BLF Blind Transfer (2)
Forward calls only if internal on teleohone GXP(example xxx) (5)
Grandstream GXP2160 6-Line VoIP Phone Overview (2)
21xx and Pfsense (4)
Auto reboot | remote reboot for GXP2160 (2)
Direct Local Phonebook access (3)
Screensaver fails to function when "on if no active VPK" option is set (5)
Firmware for GXP2130/2135/2140/2160/2170 released as Beta ( 2 ) (24)
Let's add FEC and DTx to the Opus Codec! (5)
How to set SIP User ID along with Account Name (3)