We have some GRP2602G phones, and I have found that the template in 3cx does not set the first two line keys. You can set them via the phone admin UI (until a refresh of the 3cx settings occurs), but what is shows as Key1 and 2 on the 3cx phone configuration>BLF page actually starts as number 3...
Two years ago, I used the info at https://www.3cx.com/sip-phones/cisco-spa/ to successfully provision a SPA504G phone using a custom template. Subsequently this phone has worked consistently with 3CX version 16.
However, after upgrading to V18, registration failed for each of the phone's four...
This may apply to other T4XG models, however, we've found that under the most current 3CX supported firmware (28.83.0.130) you can manually provision the phone to have a working Shared Park DSSKey. However, if you try and configure this in the webclient BLF tab and reboot the phone the button...
Hi, I have some GXP1620 phones set up using the Grandstream templates I posted here: https://www.3cx.com/community/threads/grandstream-gxp-1620-1625-provisioning-templates.50759/
(This is actually all of GS's templates, not just 1620), and I have been experiencing the ext. ringing itself the...
We are currently using Grandstream phones which have 3 custom ringtones and a system default ringtone which is built into the phones. The 3 custom ringtones that come with the phone are terrible so we have always used the system default ringtone.
We have now upgraded to version 15.5 and they...