IP Voice Telephony


RTP packet does not reach right IP address [GXP16XX series small-medium business IP phone] (5)
EHS cable won't pick-up call on gxp2160 [GXP21xx Series Enterprise IP Phones] (14)
GrandStream GXP2160 "Network Down" [GXP21xx Series Enterprise IP Phones] (10)
IP phones not getting NTP info. Wrong time zone and time [GXP16XX series small-medium business IP phone] (2)
Power Adapter GXP1630 [GXP16XX series small-medium business IP phone] (2)
Agent can't logout on DP720 [IP Voice Telephony] (15)
Help me! GPX 1610 stuck in static IP [GXP16XX series small-medium business IP phone] (2)
GXP2170 web interface not working [GXP21xx Series Enterprise IP Phones] (1)
Command Line Documentation [GXP16XX series small-medium business IP phone] (3)
Ringtones with Ring Groups [GXP21xx Series Enterprise IP Phones] (11)
GRP2614 Feature Request: Function "Caller-ID" on Multi-Purpose Keys [GRP2612/2613/2614 Carrier-Grade IP Phones] (3)
Factory Resetting a GXP 2140 when you know none of the passwords! [GXP21xx Series Enterprise IP Phones] (17)
Incoming calls on gxp1270 [IP Voice Telephony] (3)
Read text messages from #12068548497 [GRP2612/2613/2614 Carrier-Grade IP Phones] (1)
No audio when call forward [IP Voice Telephony] (2)
WP820 - Contact Sync via Exchange/ActiveSync? [IP Voice Telephony] (1)
Configurar 1 FXO(GXW410X) y 2 FXS(ht812 y ht814) [IP Voice Telephony] (4)
What Line Type Do I Use So I can Answer Other Lines On My Phone? [IP Voice Telephony] (6)
Grandstream GRP2614 [GRP2612/2613/2614 Carrier-Grade IP Phones] (1)
Finally a way to use a Jabra headset with a Grandstream GXP phone without an external EHS [IP Voice Telephony] (9)
Locked gpx1625 device [IP Voice Telephony] (11)
Outgoing calls drop after 15 min 23 sec on Grandstream 1625 [GXP16XX series small-medium business IP phone] (13)
No sound with a direct IP call, different network [GXP16XX series small-medium business IP phone] (4)
Gxp1165 headset [GXP14XX/11XX series IP Phones] (2)
GRP2614 (1.0.0.31) EHS function with Plantronics CS540 [GRP2612/2613/2614 Carrier-Grade IP Phones] (1)
Firmware 1.0.4.132 for GXP1610/1615/1620/1625/1628/1630 released as official [GXP16XX series small-medium business IP phone] (3)

Dear Grandstream Customers, Firmware 1.0.4.132 for GXP1610/GXP1615/GXP1620/GXP1625/GXP1628/GXP1630 is now released as official. Here is the link for the release notes: http://firmware.grandstream.com/Release_Note_GXP16…

Help with sip notify (reboot phone) in asterisk using pjsip - works using chansip but not pjsip [GXP21xx Series Enterprise IP Phones] (6)
Custom configuration for an old person [GXP16XX series small-medium business IP phone] (9)
How do I configure the voicemail user for GRP2614 via GDMS? [IP Voice Telephony] (2)
GXP 21xx Feature request: Disable outbound CID in dialed call history [IP Voice Telephony] (1)