Игорь Снежко, лог снял. Такие логи никогда не анализировал, можете глянуть:
https://cloud.mail.ru/public/EYsU/HujEJFz2p
Так же логи из АТС по внутреннему номеру.
14.07.2017 09:02:32 - Leg L:1.1[Extn:145]: session is confirmed
14.07.2017 09:02:32 - L:1.1[Extn:145] got Confirmed Recv Req ACK from 192.168.2.16:53287 tid=Pj45ca8095c87f4c34ae33acd11b63250d Call-ID=4af2c8d7c5e242bdacdeefed8c01d740:
ACK sip:
[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.16:53287;rport=53287;branch=z9hG4bKPj45ca8095c87f4c34ae33acd11b63250d
Max-Forwards: 70
To: <sip:
[email protected];tag3cx=8a6a327c07904fd698fe45870176710f>;tag=a973151f
From: "Турганбек Алмагамбетов" <sip:
[email protected]>;tag=4254982a297d4c81833204cf5fc08ab4
Call-ID: 4af2c8d7c5e242bdacdeefed8c01d740
CSeq: 24356 ACK
Content-Length: 0
14.07.2017 09:02:32 - [CM503007]: Call(C:1): Extn:145 has joined, contact <sip:
[email protected]:53287>
14.07.2017 09:02:32 - Session 235 of leg L:1.1[Extn:145] is connected
14.07.2017 09:02:32 - L:1.1[Extn:145] got Connected.UAS Send 200/INVITE from 0.0.0.0:0 tid=Pj549ad2b07aaf4218984fe2ea882621dd Call-ID=4af2c8d7c5e242bdacdeefed8c01d740:
SIP/2.0 200 OK
Via: SIP/2.0/TCP 192.168.2.16:53389;rport=53389;branch=z9hG4bKPj549ad2b07aaf4218984fe2ea882621dd;alias
Require: timer
Contact: <sip:
[email protected]:5060>
To: <sip:
[email protected];tag3cx=8a6a327c07904fd698fe45870176710f>;tag=a973151f
From: "Турганбек Алмагамбетов"<sip:
[email protected]>;tag=4254982a297d4c81833204cf5fc08ab4
Call-ID: 4af2c8d7c5e242bdacdeefed8c01d740
CSeq: 24356 INVITE
Session-Expires: 1800;refresher=uac
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO, MESSAGE, UPDATE
Content-Type: application/sdp
Supported: replaces, timer
User-Agent: 3CXPhoneSystem 15.5.1694.0 (1587)
Content-Length: 378
v=0
o=3cxPS 95277809664 141968801793 IN IP4 192.168.1.7
s=3cxPS Audio call
c=IN IP4 192.168.1.7
t=0 0
m=audio 7000 RTP/AVP 3 18 0 8 9 96
a=rtpmap:3 GSM/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=sendrecv
m=video 0 RTP/AVP 31
c=IN IP4 127.0.0.1
14.07.2017 09:02:32 - L:1.1[Extn:145] Sending: OnSendResp Send 200/INVITE from 0.0.0.0:0 tid=Pj549ad2b07aaf4218984fe2ea882621dd Call-ID=4af2c8d7c5e242bdacdeefed8c01d740:
SIP/2.0 200 OK
Via: SIP/2.0/TCP 192.168.2.16:53389;rport=53389;branch=z9hG4bKPj549ad2b07aaf4218984fe2ea882621dd;alias
Require: timer
Contact: <sip:
[email protected]:5060>
To: <sip:
[email protected];tag3cx=8a6a327c07904fd698fe45870176710f>;tag=a973151f
From: "Турганбек Алмагамбетов"<sip:
[email protected]>;tag=4254982a297d4c81833204cf5fc08ab4
Call-ID: 4af2c8d7c5e242bdacdeefed8c01d740
CSeq: 24356 INVITE
Session-Expires: 1800;refresher=uac
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO, MESSAGE, UPDATE
Content-Type: application/sdp
Supported: replaces, timer
Content-Length: 378
v=0
o=3cxPS 95277809664 141968801793 IN IP4 192.168.1.7
s=3cxPS Audio call
c=IN IP4 192.168.1.7
t=0 0
m=audio 7000 RTP/AVP 3 18 0 8 9 96
a=rtpmap:3 GSM/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=sendrecv
m=video 0 RTP/AVP 31
c=IN IP4 127.0.0.1
14.07.2017 09:02:32 - L:1.1[Extn:145]: Terminating targets, reason: SIP ;cause=200 ;text="Call completed elsewhere"
14.07.2017 09:02:32 - L:1.2[Line:10000>>365778] has joined to L:1.1[Extn:145]
14.07.2017 09:02:32 - Endpoint Extn:145 has refreshed contact <sip:
[email protected]:53287>
14.07.2017 09:02:24 - L:1.1[Extn:145] Sending: OnSendResp Send 180/INVITE from 0.0.0.0:0 tid=Pj549ad2b07aaf4218984fe2ea882621dd Call-ID=4af2c8d7c5e242bdacdeefed8c01d740:
SIP/2.0 180 Ringing
Via: SIP/2.0/TCP 192.168.2.16:53389;rport=53389;branch=z9hG4bKPj549ad2b07aaf4218984fe2ea882621dd;alias
Contact: <sip:
[email protected]:5060>
To: <sip:
[email protected];tag3cx=8a6a327c07904fd698fe45870176710f>;tag=a973151f
From: "Турганбек Алмагамбетов"<sip:
[email protected]>;tag=4254982a297d4c81833204cf5fc08ab4
Call-ID: 4af2c8d7c5e242bdacdeefed8c01d740
CSeq: 24356 INVITE
Content-Length: 0
PS: свитчи не "дешевые", обрывов связи в момент проблемы нет.