IP Voice Telephony

Open Close Toggle [GXP21xx Series Enterprise IP Phones] (7)
'Lock' desktop in 'headset' mode? [GXP21xx Series Enterprise IP Phones] (8)
Cannot Change Ring Tone [GXP21xx Series Enterprise IP Phones] (6)
GRP2614 ( Plug and play with UCM Zero Config doesn't work [GRP 261x Carrier-Grade IP Phones] (9)
(Feature Request) Enable Busy Lamp Field MPK to Initiate intercom [GXP21xx Series Enterprise IP Phones] (1)
GXP21xx - Phonebook button LDAP setting enhancement [GXP21xx Series Enterprise IP Phones] (1)
Scheduled ring volume level [IP Voice Telephony] (11)
(Feature Request) GXP2170 Phonebook Button retasking [GXP21xx Series Enterprise IP Phones] (3)
Connecting PC port to WIFI router on my GXP1760W VOIP Phone [GXP17xx Series mid-range IP phones] (7)
Default screen.xml [IP Voice Telephony] (14)
Sip notify commands documentation [IP Voice Telephony] (11)
LDAP Phonebook incorrectly populating "Local Phonebook" via XML download on the GXP2170 [GXP21xx Series Enterprise IP Phones] (5)
Is there a way to dump a user authentication password from a GXP1405? [GXP14XX/11XX series IP Phones] (2)
No audio on inbound calls with firmware upgrade GXP21XX phones [GXP21xx Series Enterprise IP Phones] (1)
Issue after only Virtual Multi-Purpose Key (VMPK) #6 is set, breaks all functionality of the phone and cannot call [GXP21xx Series Enterprise IP Phones] (13)
GXP 2135 / 2170 "frozen" after adding Virtual Multi-Purpose Key No. 6 [GXP21xx Series Enterprise IP Phones] (6)
GBX20 - Why does every extension disappear when the extension fo the attached phone is in use? [IP Voice Telephony] (4)
Issue with Grandstream 3CX Template [GRP 261x Carrier-Grade IP Phones] (5)
Not Receice Calls (486 Busy) [DP75x/DP730/DP72x/DP760 Cordless Phones] (5)
Delayed Call Forward Wait Time option DP750 [DP75x/DP730/DP72x/DP760 Cordless Phones] (2)
Firmware for GXP1780/1782/1760/1760W officially released [GXP17xx Series mid-range IP phones] (2)

Dear Grandstream Customers, Firmware for GXP1780/1782/1760/1760W is now released as official. Here is the link for the release notes: The firmware and release notes can be downloaded from: http://www.gran…

WP820 doesn't stop ringing after GDS3710 door open on another phone [WP820 Portable WiFi IP Phone] (10)
Unable to transfer a call on one 1782 [GXP17xx Series mid-range IP phones] (15)
Prefix (6994) added to specific numbers, not every time [GXP21xx Series Enterprise IP Phones] (12)
DP 750 /720 Multicast listening supported? [DP75x/DP730/DP72x/DP760 Cordless Phones] (2)
Phone loses IP and need reboot to aquire one [GXP16XX series small-medium business IP phone] (8)
GRP2614 ( with UCM Zero Config - Sending Update doesn’t work [GRP 261x Carrier-Grade IP Phones] (10)
GXP21xx and GXP16xx not saving settings [GXP21xx Series Enterprise IP Phones] (4)
WP810 - IP Direct Call not working [WP810 Portable WiFi IP Phone] (7)
What is the default admin login for the GRP2615? [GRP 261x Carrier-Grade IP Phones] (4)