Вместо отправки удаленной стороне ответа 486 Busy, MFIM сначала устанавливает соединение 200 OK, а затем тут же разрывает его отправкой BYE.
При таком поведении часть голосовых сервисов работ некорректно, например нельзя дозвониться на группу вызова, в которой хотя-бы один из абонентов занят.
Подскажите, есть ли какие-то настройки, отвечающие за данный функционал станции и что можно предпринять для решения проблемы?
Сип-дамп входящего вызова (с 2265) на номер занятого абонента (5103) через сип-транк:
Код
14:39:02.985055 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 810)
192.168.1.10.5060 > 192.168.2.20.5060: SIP, length: 782
INVITE sip:5103@192.168.2.20:5060 SIP/2.0
Via: SIP/2.0/UDP
192.168.1.10:5060;rport;branch=z9hG4bK-oS1s-981309-1856
From: "2265"
<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To: <sip:5103@192.168.2.20;user=phone>
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
User-Agent: Eltex smg_pa_sip smg_pa_sip-3.8.0.36
Max-Forwards: 70
Contact: <sip:2265@192.168.1.10:5060>
Accept: multipart/mixed, application/sdp
Allow: INVITE, ACK, BYE, CANCEL, PRACK, REGISTER, INFO, REFER, NOTIFY, OPTIONS, UPDATE
Supported: replaces
Content-Type: application/sdp
Content-Length: 186
v=0
o=- 1856 972742 IN IP4 192.168.1.10
s=SMG SIP session
c=IN IP4 192.168.1.10
t=0 0
m=audio 52566 RTP/AVP 8 0
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=ptime:20
a=sendrecv
14:39:03.088161 IP (tos 0xa0, ttl 127, id 3721, offset 0, flags [DF], proto UDP (17), length 504)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 476
SIP/2.0 100 Trying
From:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To: <sip:5103@192.168.2.20;user=phone>
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
Via: SIP/2.0/UDP
192.168.1.10:5060;rport=5060;branch=z9hG4bK-oS1s-981309-1856
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,REFER,SUBSCRIBER,NOTIFY,MESSAGE,INFO,PRAC
K,UPDATE
Supported: replaces,timer,UPDATE,INFO
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Length: 0
14:39:03.188333 IP (tos 0xa0, ttl 127, id 3722, offset 0, flags [DF], proto UDP (17), length 613)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 585
SIP/2.0 180 Ringing
From:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
Via: SIP/2.0/UDP
192.168.1.10:5060;rport=5060;branch=z9hG4bK-oS1s-981309-1856
Contact: <sip:5103@192.168.2.20:5060;transport=UDP>
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,REFER,SUBSCRIBER,NOTIFY,MESSAGE,INFO,PRAC
K,UPDATE
Supported: replaces,timer,UPDATE,INFO
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Length: 0
14:39:03.288575 IP (tos 0xa0, ttl 127, id 3723, offset 0, flags [DF], proto UDP (17), length 794)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 766
SIP/2.0 200 OK
From:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
Via: SIP/2.0/UDP
192.168.1.10:5060;rport=5060;branch=z9hG4bK-oS1s-981309-1856
Contact: <sip:5103@192.168.2.20:5060;transport=UDP>
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,REFER,SUBSCRIBER,NOTIFY,MESSAGE,INFO,PRAC
K,UPDATE
Supported: replaces,timer,UPDATE,INFO
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Type: application/sdp
Content-Length: 153
v=0
o=iPECS-LIK 35 35 IN IP4 192.168.2.20
s=iPECS-LIK SIP
c=IN IP4 192.168.2.20
t=0 0
m=audio 7308 RTP/AVP 8
a=rtpmap:8 PCMA/8000
a=sendrecv
14:39:03.298784 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 501)
192.168.1.10.5060 > 192.168.2.20.5060: SIP, length: 473
ACK sip:5103@192.168.2.20:5060;transport=UDP SIP/2.0
Via: SIP/2.0/UDP
192.168.1.10:5060;rport;branch=z9hG4bK-oS1a-293910-1856
From: "2265"
<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
Call-ID: 1490-787542-981183
CSeq: 2 ACK
User-Agent: Eltex smg_pa_sip smg_pa_sip-3.8.0.36
Max-Forwards: 70
Contact: <sip:2265@192.168.1.10:5060>
Content-Length: 0
14:39:05.615991 IP (tos 0xa0, ttl 127, id 3725, offset 0, flags [DF], proto UDP (17), length 557)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 529
BYE sip:2265@192.168.1.10:5060 SIP/2.0
From:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
To:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
Call-ID: 1490-787542-981183
CSeq: 1 BYE
Via: SIP/2.0/UDP
192.168.2.20:5060;rport;branch=z9hG4bK-128bc-4871fc4-4dfd3ccb
Max-Forwards: 70
Supported: 100rel,timer,replaces,UPDATE,INFO
Reason: Q.850;cause=16;text="Normal call clearing"
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Length: 0
14:39:05.625661 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 521)
192.168.1.10.5060 > 192.168.2.20.5060: SIP, length: 493
SIP/2.0 200 OK
Via: SIP/2.0/UDP
192.168.2.20:5060;branch=z9hG4bK-128bc-4871fc4-4dfd3ccb;received=192.168.2.20;rport=5060
From:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
To:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
Call-ID: 1490-787542-981183
CSeq: 1 BYE
Contact: <sip:2265@192.168.1.10:5060>
Accept: multipart/mixed, application/sdp
User-Agent: Eltex smg_pa_sip smg_pa_sip-3.8.0.36
Content-Length: 0
192.168.1.10.5060 > 192.168.2.20.5060: SIP, length: 782
INVITE sip:5103@192.168.2.20:5060 SIP/2.0
Via: SIP/2.0/UDP
192.168.1.10:5060;rport;branch=z9hG4bK-oS1s-981309-1856
From: "2265"
<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To: <sip:5103@192.168.2.20;user=phone>
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
User-Agent: Eltex smg_pa_sip smg_pa_sip-3.8.0.36
Max-Forwards: 70
Contact: <sip:2265@192.168.1.10:5060>
Accept: multipart/mixed, application/sdp
Allow: INVITE, ACK, BYE, CANCEL, PRACK, REGISTER, INFO, REFER, NOTIFY, OPTIONS, UPDATE
Supported: replaces
Content-Type: application/sdp
Content-Length: 186
v=0
o=- 1856 972742 IN IP4 192.168.1.10
s=SMG SIP session
c=IN IP4 192.168.1.10
t=0 0
m=audio 52566 RTP/AVP 8 0
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=ptime:20
a=sendrecv
14:39:03.088161 IP (tos 0xa0, ttl 127, id 3721, offset 0, flags [DF], proto UDP (17), length 504)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 476
SIP/2.0 100 Trying
From:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To: <sip:5103@192.168.2.20;user=phone>
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
Via: SIP/2.0/UDP
192.168.1.10:5060;rport=5060;branch=z9hG4bK-oS1s-981309-1856
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,REFER,SUBSCRIBER,NOTIFY,MESSAGE,INFO,PRAC
K,UPDATE
Supported: replaces,timer,UPDATE,INFO
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Length: 0
14:39:03.188333 IP (tos 0xa0, ttl 127, id 3722, offset 0, flags [DF], proto UDP (17), length 613)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 585
SIP/2.0 180 Ringing
From:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
Via: SIP/2.0/UDP
192.168.1.10:5060;rport=5060;branch=z9hG4bK-oS1s-981309-1856
Contact: <sip:5103@192.168.2.20:5060;transport=UDP>
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,REFER,SUBSCRIBER,NOTIFY,MESSAGE,INFO,PRAC
K,UPDATE
Supported: replaces,timer,UPDATE,INFO
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Length: 0
14:39:03.288575 IP (tos 0xa0, ttl 127, id 3723, offset 0, flags [DF], proto UDP (17), length 794)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 766
SIP/2.0 200 OK
From:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
Call-ID: 1490-787542-981183
CSeq: 2 INVITE
Via: SIP/2.0/UDP
192.168.1.10:5060;rport=5060;branch=z9hG4bK-oS1s-981309-1856
Contact: <sip:5103@192.168.2.20:5060;transport=UDP>
Allow:
INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,REFER,SUBSCRIBER,NOTIFY,MESSAGE,INFO,PRAC
K,UPDATE
Supported: replaces,timer,UPDATE,INFO
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Type: application/sdp
Content-Length: 153
v=0
o=iPECS-LIK 35 35 IN IP4 192.168.2.20
s=iPECS-LIK SIP
c=IN IP4 192.168.2.20
t=0 0
m=audio 7308 RTP/AVP 8
a=rtpmap:8 PCMA/8000
a=sendrecv
14:39:03.298784 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 501)
192.168.1.10.5060 > 192.168.2.20.5060: SIP, length: 473
ACK sip:5103@192.168.2.20:5060;transport=UDP SIP/2.0
Via: SIP/2.0/UDP
192.168.1.10:5060;rport;branch=z9hG4bK-oS1a-293910-1856
From: "2265"
<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
To:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
Call-ID: 1490-787542-981183
CSeq: 2 ACK
User-Agent: Eltex smg_pa_sip smg_pa_sip-3.8.0.36
Max-Forwards: 70
Contact: <sip:2265@192.168.1.10:5060>
Content-Length: 0
14:39:05.615991 IP (tos 0xa0, ttl 127, id 3725, offset 0, flags [DF], proto UDP (17), length 557)
192.168.2.20.5060 > 192.168.1.10.5060: SIP, length: 529
BYE sip:2265@192.168.1.10:5060 SIP/2.0
From:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
To:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
Call-ID: 1490-787542-981183
CSeq: 1 BYE
Via: SIP/2.0/UDP
192.168.2.20:5060;rport;branch=z9hG4bK-128bc-4871fc4-4dfd3ccb
Max-Forwards: 70
Supported: 100rel,timer,replaces,UPDATE,INFO
Reason: Q.850;cause=16;text="Normal call clearing"
User-Agent: Ericsson-LG Enterprise iPECS-LIK 300 6.1Bf
Content-Length: 0
14:39:05.625661 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 521)
192.168.1.10.5060 > 192.168.2.20.5060: SIP, length: 493
SIP/2.0 200 OK
Via: SIP/2.0/UDP
192.168.2.20:5060;branch=z9hG4bK-128bc-4871fc4-4dfd3ccb;received=192.168.2.20;rport=5060
From:
<sip:5103@192.168.2.20;user=phone>;tag=41a77b30-ac8a8c0-13c4-55013-128b9-6d22e65d-128b9
To:
"2265"<sip:2265@192.168.1.10;user=phone>;tag=981239dOr1856p0D1603D0t4
Call-ID: 1490-787542-981183
CSeq: 1 BYE
Contact: <sip:2265@192.168.1.10:5060>
Accept: multipart/mixed, application/sdp
User-Agent: Eltex smg_pa_sip smg_pa_sip-3.8.0.36
Content-Length: 0