@pasha Thanks. I've tried on two phone types - a 7821, and an 8841 - but the result is the same on both; sometimes the BYE message comes from the I...

Hi Pasha, Sure! ITSP: 81.187.30.116 and voiceless.aa.net.uk - it appears they use the domain in the incoming invite, and the IP elsewhere. VG202...

Hi Pasha, Thanks for this - I've had a look at some of the SIP messages this morning and noticed that in some places, the internal IP of the gateway...

Some further information - it's intermittent; test calls from the same ANI to the same dialled number sometimes disconnect properly, and other times d...