I have my phone connect through a Grandstream SIP device, but it rings only once. The caller keeps on hearing the ringing tone. I couldn't find any setting on the SIP device that may have caused this behaviour.
I have created ticket for you
Helena
I have my phone connect through a Grandstream SIP device, but it rings only once. The caller keeps on hearing the ringing tone. I couldn't find any setting on the SIP device that may have caused this behaviour.