Grandstream UCM Remote Connect (UCMRC) Strict RTP causes no audio between IP Phones

Strict RTP Grandstream UCMRC Remote Connect

Scenario There is no audio issue in the calls between IP Phones using UCMRC. However, audio works when the call is established between the Wave app and the IP Phone with the same registered extension. Solution The “Strict RTP” option cannot be enabled while using the remote domain address of UCMRC services. When using the … Read more

Grandstream Wave Mobile Application – Account Registration Failed

Grandstream Wave Mobile Account Registration Failed

Description When Grandstream IP PBX UCM63XX is used in remote work without Remote Connect service (UCMRC), there are certain network settings required to allow Grandstream Wave Mobile application login via UCM’s Public IP addresses; otherwise, you will get login errors such as ‘Account Registration Failed’ or ‘Unable to connect to the server’. Configure the ports … Read more

Pending Delivery status in GDMS UCMRC Plan

Pending Delivery status in Grandstream UCMRC

Description ‘Pending Delivery’ indicates that the changes on the settings are not pushed to the UCM630X series successfully via GDMS. When you try to assign parameters to the offline UCM, it will display ‘Pending Delivery’. When UCM is back online, the pending parameters will be re-assigned to the UCM. Make sure that TR069 is allowed. The users … Read more