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 iOS Crash Application Log

Description Grandstream Wave is a softphone application that allows users to make and receive phone calls over the internet using a computer, smartphone, and web browsers. This article describes the troubleshooting steps when the application crashes on iOS devices (such as iPhones and iPads). 1. Go to iPhone > Settings > Wave > Disable Contacts. … 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

Known Issues with Wave Lite application

Grandstream Wave Lite Known Issue

Description This article describes the known issues with the Grandstream Wave Lite application. There will be limited or zero development resources for this application. Known Issues 1. IPv6 Wave Lite Android/iOS application does not support IPv6-only networks under some mobile networks (e.g. T-Mobile), the registration will fail under the IPv6 network. 2. Run in Background … Read more