IP Voice Telephony   GXP21xx Series Enterprise IP Phones

GXP phone rosolving numbers while entering the digits (9)
How to see whos on the phone when a call comes in? (3)
Zero Config UCM6301 into GXP2160 (20)
Supporting a remote GXP2140 over OpenVPN (20)
Voice Announce Intercom Call (5)
+1 being added in front of dialed numbers (4)
Extention board BLF Sorting (4)
Need assistance for GXP2160 Message On Hold (4)
GXP2130 Unable to map soft key AttTrnf (3)
GXP2140 delay on incoming audio with USB headset connected (3)
Call Center Functionality (6)
VMPK Setup with a Presence Event List (1)
GXP Series, load OpenVPN config files from HTTP? (2)
Reassign fixed envelope key (5)
Stop multiple inbound calls (2)
Grandstream GXP2140 and Yealink EHS60 (4)
Call transfer in progress from gxp2160 telephone (13)
Unable to access GUI on a few GXP2135 phones (6)
Feature Request: Adjusted integration of Do not Disturb (3)
GXP2140 Contact List CallerID Lookup (15)
Bricked GXP2130 ( 2 3 ) (46)
Problem with outgoing calls - Header Privacy (5)
Weather Update GXP2140 not working since last week? (3)
Grandstream 2140 (4)
Can't upgrade firmware on GXP2130 (3)
Back to remain Voicemail prompt (6)
Pickup group with cisco CME (3)
GXP21xx connected to OpenVPN on Synology NAS (2)
GXP2170 - How to change automatic answer with directory? (6)
Can't clear calls history (12)