IP Voice Telephony


GXP1780 CS510A APD 80 EHS not working Closed [GXP17xx Series mid-range IP phones] (7)
Disable ringing screen on Extension Panel [GXP21xx Series Enterprise IP Phones] (3)
Changing Custom Ringtones (GXP2140 + Cloud Based 3CX) [GXP21xx Series Enterprise IP Phones] (2)
Issues after 1.0.11.2 update [DP760/75x/72x Series Cordless Phones] (7)
GRP2612 shows only partial video window from GDS3710 when calling [GRP2612/2613/2614 Carrier-Grade IP Phones] (4)
GRP2614 wall mount? [GRP2612/2613/2614 Carrier-Grade IP Phones] (1)
Grp2614 [GRP2612/2613/2614 Carrier-Grade IP Phones] (1)
Not capture DHCP IP Address [GXP21xx Series Enterprise IP Phones] (4)
Call Park BLF key stop working [GXP21xx Series Enterprise IP Phones] (8)
GXP-1625, 6XP-21XXXX POE+ Requirements [GXP16XX series small-medium business IP phone] (2)
Firmware 1.0.4.140 for GXP1610/1615/1620/1625/1628/1630 released as official [GXP16XX series small-medium business IP phone] (3)

Dear Grandstream Customers, Firmware 1.0.4.140 for GXP1610/1615/1620/1625/1628/1630 is now released as official. Here is the link for the release notes: http://firmware.grandstream.com/Release_Note_GXP16xx_1.0.4.140.pd…

Phone Network Design Query [GXP21xx Series Enterprise IP Phones] (8)
GXP2170 Web Interface isn't working for me either [IP Voice Telephony] (5)
Firmware 1.0.5.5 for WP820 released as official [WP820 Portable WiFi IP Phone] (2)

Dear Grandstream Customers, Firmware 1.0.5.5 for WP820 is now released as official. Here is the link for the WP820 release notes: http://firmware.grandstream.com/Release_Note_WP820_1.0.5.5.pdf The firmware and release…

Max Simultaneous Incoming Call GXP2170 [GXP21xx Series Enterprise IP Phones] (16)
3x DP720 rebooting after completing task, picking up, making menu adjustment [DP760/75x/72x Series Cordless Phones] (7)
Weak signal of DP760 [DP760/75x/72x Series Cordless Phones] (3)
WP820 - Not connecting to provisioned wifi [IP Voice Telephony] (3)
Auto Provision and Configuration [GXP16XX series small-medium business IP phone] (9)
Trunk access code (9) to outside call made with Call History [GXP21xx Series Enterprise IP Phones] (2)
GXP2170 BLF shows status unknown/offline [GXP21xx Series Enterprise IP Phones] (6)
DP750 ultra weird behaviour over OpenVPN [DP760/75x/72x Series Cordless Phones] (1)
Client wants to Send a call directly to voicemail [IP Voice Telephony] (6)
WP820 auto provisioning problem [WP820 Portable WiFi IP Phone] (5)
GXP1615, can't access webinterface due firmware update [GXP16XX series small-medium business IP phone] (8)
GXP2160 intermittent issue where it can't answer the call, other phones still ring ( 2 ) [GXP21xx Series Enterprise IP Phones] (33)
Firmware 1.0.11.2 for DP752/750/760/730/722/720 released as official [DP760/75x/72x Series Cordless Phones] (2)

Dear Grandstream Customers, Firmware 1.0.11.2 for DP752/750/760/730/722/720 is now released as official. Here is the link to the release notes: http://firmware.grandstream.com/Release_Note_DP7xx_1.0.11.2.pdf The firmw…

All Handsets not ringing [DP760/75x/72x Series Cordless Phones] (5)
Hearing an echo when answering a call ( 2 ) [GXP21xx Series Enterprise IP Phones] (28)
GXP1625 - How Disable FwdAll Button [GXP16XX series small-medium business IP phone] (5)