Не проходит исходящий вызов

[anonymous]

вот лог

23:05:34.974 [CM503020]: Normal call termination. Reason: Terminated
23:05:34.974 [CM503016]: Call(58): Attempt to reach failed. Reason: Not Acceptable HereReason Unknown
23:05:34.969 [CM503003]: Call(58): Call to sip:[email protected]:5060 has failed; Cause: 400 From username is invalid; from IP:81.88.80.36:5060
23:05:34.709 [CM503025]: Call(58): Calling VoIPline:79031234567@(Ln.10008@7894241)@[Dev:sip:[email protected]:5060]
23:05:34.507 [CM503004]: Call(58): Route 1: VoIPline:79031234567@(Ln.10008@7894241)@[Dev:sip:[email protected]:5060]
23:05:34.503 [CM503010]: Making route(s) to
23:05:34.501 [CM505001]: Ext.162: Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [3CXPhone 5.0.14900.0] PBX contact: [sip:[email protected]:5060]
23:05:34.494 [CM503001]: Call(58): Incoming call from Ext.162 to

 

[anonymous]

23:05:34.969 [CM503003]: Call(58): Call to sip:[email protected]:5060 has failed; Cause: 400 From username is invalid; from IP:81.88.80.36:5060
Скорее всего, надо сделать так, чтобы "From username" был таким, как ожидает 81.88.80.36:5060.
Половиной информации, которая нужна для расследования инцидента, владеет 81.88.80.36:5060 (mangosip.ru)