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No audio - SIP trunking between 2 CUCM clusters

Go to solution
radoslav-drabik
Level 1
Level 1

‎12-13-2011 01:18 AM - edited ‎03-16-2019 08:30 AM

Hi

I have got a problem with no audio on calls when calling between 2 CUCM clusters via SIP trunk. It works from Cluster 2 to Cluster 1 but not vice versa. Call get connected (ringing) but after I pick up the call I can't hear anything. There is no firewall between those 2 phones. Thank you for help.

Cluster 1: x.x.x.136

Cluster 2: x.x.x.73

ACME SIP proxy: x.x.x.141

Topology looks like this:

CUCM Cluster 1 -> ACME SIP proxy -> CUCM Cluster 2

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

SIP trace from ACME SIP proxy (x.x.x.141). Call from Cluster 1 to Cluster 2, !!!! UNSUCESSFULL !!!

---------------------------------------------------------

Session ID: 0x0CC3B25A6F137040

Call ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

----------------------------------------

Timestamp     : 09:00:14.158 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.136/40590

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : TCP

----------------------------------------

INVITE sip:1000@x.x.x.141:5060 SIP/2.0

Date: Mon, 12 Dec 2011 09:00:13 GMT

Call-Info: <sip:x.x.x.136:5060>;method="NOTIFY;Event=telephone-event;Duration=500"

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

From: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Allow-Events: presence, kpml

P-Asserted-Identity: <sip:1001@x.x.x.136>

Supported: timer,resource-priority,replaces

Supported: X-cisco-srtp-fallback

Supported: Geolocation

Min-SE:  1800

Remote-Party-ID: <sip:1001@x.x.x.136>;party=calling;screen=yes;privacy=off

Content-Length: 0

User-Agent: Cisco-CUCM7.1

To: <sip:1000@x.x.x.141>

Contact: <sip:1001@x.x.x.136:5060;transport=tcp>

Expires: 180

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/TCP x.x.x.136:5060;branch=z9hG4bK239f8a21c237

CSeq: 101 INVITE

Session-Expires:  1800

Max-Forwards: 70

----------------------------------------

----------------------------------------

Timestamp     : 09:00:14.158 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : TCP

----------------------------------------

SIP/2.0 100 Trying

From: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

To: <sip:1000@x.x.x.141>

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 101 INVITE

Via: SIP/2.0/TCP x.x.x.136:5060;branch=z9hG4bK239f8a21c237

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:00:14.248 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

INVITE sip:1000@x.x.x.73:5060 SIP/2.0

From: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

To: <sip:1000@x.x.x.141>

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 1 INVITE

Via: SIP/2.0/UDP x.x.x.141:5060;branch=z9hG4bK-a07c95-4ee5c29e-7994b765-7e85353b

Call-Info: <sip:x.x.x.136:5060>;method="NOTIFY;Event=telephone-event;Duration=500"

P-Asserted-Identity: <sip:1001@x.x.x.136>

Supported: timer,resource-priority,replaces,X-cisco-srtp-fallback,Geolocation

Remote-Party-ID: <sip:1001@x.x.x.136>;party=calling;screen=yes;privacy=off

User-Agent: Cisco-CUCM7.1

Max-Forwards: 70

Allow: INVITE,OPTIONS,INFO,BYE,CANCEL,ACK,PRACK,UPDATE,REFER,SUBSCRIBE,NOTIFY

Allow-Events: presence,kpml

Min-SE: 180

Expires: 180

Session-Expires: 7200;refresher=uas

Contact: <sip:1001@x.x.x.141:5060;maddr=x.x.x.141;transport=udp>

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:00:14.299 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 100 Trying

Date: Mon, 12 Dec 2011 09:00:13 GMT

From: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Allow-Events: presence

Content-Length: 0

To: <sip:1000@x.x.x.141>

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.141:5060;branch=z9hG4bK-a07c95-4ee5c29e-7994b765-7e85353b

CSeq: 1 INVITE

----------------------------------------

----------------------------------------

Timestamp     : 09:00:14.303 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 180 Ringing

Date: Mon, 12 Dec 2011 09:00:13 GMT

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

From: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Allow-Events: presence

P-Asserted-Identity: <sip:1000@x.x.x.73>

Supported: X-cisco-srtp-fallback

Supported: Geolocation

Remote-Party-ID: <sip:1000@x.x.x.73>;party=called;screen=yes;privacy=off

Content-Length: 0

To: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Contact: <sip:1000@x.x.x.73:5060>

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.141:5060;branch=z9hG4bK-a07c95-4ee5c29e-7994b765-7e85353b

CSeq: 1 INVITE

----------------------------------------

----------------------------------------

Timestamp     : 09:00:14.304 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/40590

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : TCP

----------------------------------------

SIP/2.0 180 Ringing

From: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

To: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 101 INVITE

Allow: INVITE,OPTIONS,INFO,BYE,CANCEL,ACK,PRACK,UPDATE,REFER,SUBSCRIBE,NOTIFY

Allow-Events: presence

P-Asserted-Identity: <sip:1000@x.x.x.73>

Supported: X-cisco-srtp-fallback,Geolocation

Remote-Party-ID: <sip:1000@x.x.x.73>;party=called;screen=yes;privacy=off

Via: SIP/2.0/TCP x.x.x.136:5060;branch=z9hG4bK239f8a21c237

Contact: <sip:1000@x.x.x.141:5060;maddr=x.x.x.141;transport=tcp>

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:00:16.704 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 183 Session Progress

Date: Mon, 12 Dec 2011 09:00:13 GMT

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

From: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Allow-Events: presence, kpml

P-Asserted-Identity: <sip:1000@x.x.x.73>

Supported: X-cisco-srtp-fallback

Supported: Geolocation

Remote-Party-ID: <sip:1000@x.x.x.73>;party=called;screen=yes;privacy=off

Content-Length: 372

To: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Contact: <sip:1000@x.x.x.73:5060>

Content-Type: application/sdp

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.141:5060;branch=z9hG4bK-a07c95-4ee5c29e-7994b765-7e85353b

CSeq: 1 INVITE

v=0

o=CiscoSystemsCCM-SIP 2000 1 IN IP4 x.x.x.73

s=SIP Call

c=IN IP4 x.x.35.124

t=0 0

m=audio 4000 RTP/AVP 0 8 116 18 101

a=rtpmap:0 PCMU/8000

a=ptime:20

a=rtpmap:8 PCMA/8000

a=ptime:20

a=rtpmap:116 iLBC/8000

a=ptime:20

a=maxptime:60

a=fmtp:116 mode=20

a=rtpmap:18 G729/8000

a=ptime:20

a=sendonly

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

----------------------------------------

----------------------------------------

Timestamp     : 09:00:16.704 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/40590

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : TCP

----------------------------------------

SIP/2.0 183 Session Progress

From: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

To: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 101 INVITE

Allow: INVITE,OPTIONS,INFO,BYE,CANCEL,ACK,PRACK,UPDATE,REFER,SUBSCRIBE,NOTIFY

Allow-Events: presence,kpml

P-Asserted-Identity: <sip:1000@x.x.x.73>

Supported: X-cisco-srtp-fallback,Geolocation

Remote-Party-ID: <sip:1000@x.x.x.73>;party=called;screen=yes;privacy=off

Via: SIP/2.0/TCP x.x.x.136:5060;branch=z9hG4bK239f8a21c237

Contact: <sip:1000@x.x.x.141:5060;maddr=x.x.x.141;transport=tcp>

Content-Type: application/sdp

Content-Length: 372

v=0

o=CiscoSystemsCCM-SIP 2000 1 IN IP4 x.x.x.73

s=SIP Call

c=IN IP4 x.x.35.124

t=0 0

m=audio 4000 RTP/AVP 0 8 116 18 101

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:116 iLBC/8000

a=rtpmap:18 G729/8000

a=rtpmap:101 telephone-event/8000

a=ptime:20

a=ptime:20

a=ptime:20

a=maxptime:60

a=fmtp:116 mode=20

a=ptime:20

a=fmtp:101 0-15

a=sendonly

----------------------------------------

----------------------------------------

Timestamp     : 09:00:16.704 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 200 OK

Date: Mon, 12 Dec 2011 09:00:13 GMT

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

From: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Allow-Events: presence, kpml

P-Asserted-Identity: "Test 2" <sip:1000@x.x.x.73>

Supported: replaces

Supported: X-cisco-srtp-fallback

Supported: Geolocation

Remote-Party-ID: "Test 2" <sip:1000@x.x.x.73>;party=called;screen=yes;privacy=off

Content-Length: 372

Require:  timer

To: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Contact: <sip:1000@x.x.x.73:5060>

Content-Type: application/sdp

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.141:5060;branch=z9hG4bK-a07c95-4ee5c29e-7994b765-7e85353b

CSeq: 1 INVITE

Session-Expires:  7200;refresher=uas

v=0

o=CiscoSystemsCCM-SIP 2000 1 IN IP4 x.x.x.73

s=SIP Call

c=IN IP4 x.x.35.124

t=0 0

m=audio 4000 RTP/AVP 0 8 116 18 101

a=rtpmap:0 PCMU/8000

a=ptime:20

a=rtpmap:8 PCMA/8000

a=ptime:20

a=rtpmap:116 iLBC/8000

a=ptime:20

a=maxptime:60

a=fmtp:116 mode=20

a=rtpmap:18 G729/8000

a=ptime:20

a=sendonly

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

----------------------------------------

----------------------------------------

Timestamp     : 09:00:16.705 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/40590

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : TCP

----------------------------------------

SIP/2.0 200 OK

From: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

To: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 101 INVITE

Min-SE: 1800

Allow: INVITE,OPTIONS,INFO,BYE,CANCEL,ACK,PRACK,UPDATE,REFER,SUBSCRIBE,NOTIFY

Allow-Events: presence,kpml

P-Asserted-Identity: "Test 2" <sip:1000@x.x.x.73>

Supported: replaces,X-cisco-srtp-fallback,Geolocation

Remote-Party-ID: "Test 2" <sip:1000@x.x.x.73>;party=called;screen=yes;privacy=off

Require: timer

Session-Expires: 7200;refresher=uas

Via: SIP/2.0/TCP x.x.x.136:5060;branch=z9hG4bK239f8a21c237

Contact: <sip:1000@x.x.x.141:5060;maddr=x.x.x.141;transport=tcp>

Content-Type: application/sdp

Content-Length: 372

v=0

o=CiscoSystemsCCM-SIP 2000 1 IN IP4 x.x.x.73

s=SIP Call

c=IN IP4 x.x.35.124

t=0 0

m=audio 4000 RTP/AVP 0 8 116 18 101

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:116 iLBC/8000

a=rtpmap:18 G729/8000

a=rtpmap:101 telephone-event/8000

a=ptime:20

a=ptime:20

a=ptime:20

a=maxptime:60

a=fmtp:116 mode=20

a=ptime:20

a=fmtp:101 0-15

a=sendonly

----------------------------------------

----------------------------------------

Timestamp     : 09:00:16.855 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.136/40590

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : TCP

----------------------------------------

ACK sip:1000@x.x.x.141:5060;maddr=x.x.x.141;transport=tcp SIP/2.0

Date: Mon, 12 Dec 2011 09:00:13 GMT

From: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Allow-Events: presence, kpml

Content-Length: 247

To: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Content-Type: application/sdp

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/TCP x.x.x.136:5060;branch=z9hG4bK239fc14824f1a

CSeq: 101 ACK

Max-Forwards: 70

v=0

o=CiscoSystemsCCM-SIP 2000 2 IN IP4 x.x.x.136

s=SIP Call

c=IN IP4 x.x.44.241

t=0 0

m=audio 24576 RTP/AVP 18 101

a=rtpmap:18 G729/8000

a=ptime:20

a=fmtp:18 annexb=no

a=recvonly

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

----------------------------------------

----------------------------------------

Timestamp     : 09:00:16.856 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

ACK sip:1000@x.x.x.73:5060 SIP/2.0

From: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

To: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 1 ACK

Via: SIP/2.0/UDP x.x.x.141:5060;branch=z9hG4bK-a07cb0-4ee5c2a0-7994c195-730860

Max-Forwards: 70

Contact: <sip:1001@x.x.x.141:5060;maddr=x.x.x.141;transport=udp>

Content-Type: application/sdp

Content-Length: 247

v=0

o=CiscoSystemsCCM-SIP 2000 2 IN IP4 x.x.x.136

s=SIP Call

c=IN IP4 x.x.44.241

t=0 0

m=audio 24576 RTP/AVP 18 101

a=rtpmap:18 G729/8000

a=rtpmap:101 telephone-event/8000

a=ptime:20

a=fmtp:18 annexb=no

a=fmtp:101 0-15

a=recvonly

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.186 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

INVITE sip:1001@x.x.x.141:5060;maddr=x.x.x.141;transport=udp SIP/2.0

Date: Mon, 12 Dec 2011 09:00:16 GMT

Call-Info: <sip:x.x.x.73:5060>;method="NOTIFY;Event=telephone-event;Duration=500"

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

From: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Allow-Events: presence, kpml

P-Asserted-Identity: "Test 2" <sip:1000@x.x.x.73>

Supported: timer,resource-priority,replaces

Min-SE:  1800

Remote-Party-ID: "Test 2" <sip:1000@x.x.x.73>;party=calling;screen=yes;privacy=off

Content-Length: 158

User-Agent: Cisco-CUCM7.1

To: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Contact: <sip:1000@x.x.x.73:5060>

Expires: 180

Content-Type: application/sdp

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.73:5060;branch=z9hG4bK1c1f65bd59dd

CSeq: 101 INVITE

Session-Expires:  7200;refresher=uac

Max-Forwards: 70

v=0

o=CiscoSystemsCCM-SIP 2000 2 IN IP4 x.x.x.73

s=SIP Call

c=IN IP4 x.x.35.124

t=0 0

m=audio 24582 RTP/AVP 18

a=rtpmap:18 G729/8000

a=ptime:20

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.186 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 100 Trying

From: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

To: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 101 INVITE

Via: SIP/2.0/UDP x.x.x.73:5060;branch=z9hG4bK1c1f65bd59dd

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.187 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/2499

Transport     : TCP

----------------------------------------

INVITE sip:1001@x.x.x.136:5060 SIP/2.0

From: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

To: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 1 INVITE

Via: SIP/2.0/TCP x.x.x.141:5060;branch=z9hG4bK-a07cb1-4ee5c2a1-7994c2df-95f93bf

Call-Info: <sip:x.x.x.73:5060>;method="NOTIFY;Event=telephone-event;Duration=500"

P-Asserted-Identity: "Test 2" <sip:1000@x.x.x.73>

Supported: timer,resource-priority,replaces

Remote-Party-ID: "Test 2" <sip:1000@x.x.x.73>;party=calling;screen=yes;privacy=off

User-Agent: Cisco-CUCM7.1

Max-Forwards: 70

Allow: INVITE,OPTIONS,INFO,BYE,CANCEL,ACK,PRACK,UPDATE,REFER,SUBSCRIBE,NOTIFY

Allow-Events: presence,kpml

Min-SE: 180

Expires: 180

Session-Expires: 7200;refresher=uas

Contact: <sip:1000@x.x.x.141:5060;maddr=x.x.x.141;transport=tcp>

Content-Type: application/sdp

Content-Length: 158

v=0

o=CiscoSystemsCCM-SIP 2000 2 IN IP4 x.x.x.73

s=SIP Call

c=IN IP4 x.x.35.124

t=0 0

m=audio 24582 RTP/AVP 18

a=rtpmap:18 G729/8000

a=ptime:20

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.188 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/2499

Transport     : TCP

----------------------------------------

SIP/2.0 100 Trying

Date: Mon, 12 Dec 2011 09:00:16 GMT

From: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Allow-Events: presence, kpml

Content-Length: 0

To: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/TCP x.x.x.141:5060;branch=z9hG4bK-a07cb1-4ee5c2a1-7994c2df-95f93bf

CSeq: 1 INVITE

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.387 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/2499

Transport     : TCP

----------------------------------------

SIP/2.0 200 OK

Date: Mon, 12 Dec 2011 09:00:16 GMT

Allow: INVITE, OPTIONS, INFO, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY

From: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Allow-Events: presence, kpml

P-Asserted-Identity: <sip:1001@x.x.x.136>

Supported: replaces

Supported: X-cisco-srtp-fallback

Supported: Geolocation

Remote-Party-ID: <sip:1001@x.x.x.136>;party=called;screen=yes;privacy=off

Content-Length: 179

Require:  timer

To: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Contact: <sip:1001@x.x.x.136:5060;transport=tcp>

Content-Type: application/sdp

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/TCP x.x.x.141:5060;branch=z9hG4bK-a07cb1-4ee5c2a1-7994c2df-95f93bf

CSeq: 1 INVITE

Session-Expires:  7200;refresher=uas

v=0

o=CiscoSystemsCCM-SIP 2000 3 IN IP4 x.x.x.136

s=SIP Call

c=IN IP4 x.x.44.241

t=0 0

m=audio 24578 RTP/AVP 18

a=rtpmap:18 G729/8000

a=ptime:20

a=fmtp:18 annexb=no

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.388 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 200 OK

From: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

To: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 101 INVITE

Min-SE: 1800

Via: SIP/2.0/UDP x.x.x.73:5060;branch=z9hG4bK1c1f65bd59dd

Contact: <sip:1001@x.x.x.141:5060;maddr=x.x.x.141;transport=udp>

Session-Expires: 7200

Content-Type: application/sdp

Content-Length: 179

v=0

o=CiscoSystemsCCM-SIP 2000 3 IN IP4 x.x.x.136

s=SIP Call

c=IN IP4 x.x.44.241

t=0 0

m=audio 24578 RTP/AVP 18

a=rtpmap:18 G729/8000

a=ptime:20

a=fmtp:18 annexb=no

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.438 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

ACK sip:1001@x.x.x.141:5060;maddr=x.x.x.141;transport=udp SIP/2.0

Date: Mon, 12 Dec 2011 09:00:16 GMT

From: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Allow-Events: presence, kpml

Content-Length: 0

To: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.73:5060;branch=z9hG4bK1c20452fbba8

CSeq: 101 ACK

Max-Forwards: 70

----------------------------------------

----------------------------------------

Timestamp     : 09:00:17.439 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/2499

Transport     : TCP

----------------------------------------

ACK sip:1001@x.x.x.136:5060;transport=tcp SIP/2.0

From: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

To: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 1 ACK

Via: SIP/2.0/TCP x.x.x.141:5060;branch=z9hG4bK-a07cb4-4ee5c2a1-7994c3dc-6b1d8378

Max-Forwards: 70

Contact: <sip:1000@x.x.x.141:5060;maddr=x.x.x.141;transport=tcp>

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:01:51.358 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

BYE sip:1001@x.x.x.141:5060;maddr=x.x.x.141;transport=udp SIP/2.0

Date: Mon, 12 Dec 2011 09:00:16 GMT

From: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

Content-Length: 0

User-Agent: Cisco-CUCM7.1

To: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/UDP x.x.x.73:5060;branch=z9hG4bK1c2c96e899c

CSeq: 102 BYE

Max-Forwards: 70

----------------------------------------

----------------------------------------

Timestamp     : 09:01:51.358 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.73/5060

Local IP/Port : x.x.x.141(eth2)/5060

Transport     : UDP

----------------------------------------

SIP/2.0 200 OK

From: <sip:1000@x.x.x.141>;tag=b198b18d-c724-4969-b786-ed1c32fbf1b6-22806454

To: <sip:1001@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b765-85cfca

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 102 BYE

Via: SIP/2.0/UDP x.x.x.73:5060;branch=z9hG4bK1c2c96e899c

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:01:51.359 2011-12-12

Direction     : TX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/2499

Transport     : TCP

----------------------------------------

BYE sip:1001@x.x.x.136:5060;transport=tcp SIP/2.0

From: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

To: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

CSeq: 2 BYE

Via: SIP/2.0/TCP x.x.x.141:5060;branch=z9hG4bK-a08161-4ee5c2ff-799632bc-3b1bc195

Max-Forwards: 70

Content-Length: 0

----------------------------------------

----------------------------------------

Timestamp     : 09:01:51.362 2011-12-12

Direction     : RX

Remote IP/Port: x.x.x.136/5060

Local IP/Port : x.x.x.141(eth2)/2499

Transport     : TCP

----------------------------------------

SIP/2.0 200 OK

Date: Mon, 12 Dec 2011 09:01:50 GMT

From: <sip:1000@x.x.x.141>;tag=8db99509-13c4-4ee5c29e-7994b79d-6c07ea17

Content-Length: 0

To: <sip:1001@x.x.x.136>;tag=db473620-456f-4d24-9195-d807c3d6ce15-155400543

Call-ID: b26a9200-ee51c29d-a246-88b99509@x.x.x.136

Via: SIP/2.0/TCP x.x.x.141:5060;branch=z9hG4bK-a08161-4ee5c2ff-799632bc-3b1bc195

CSeq: 2 BYE

----------------------------------------

Labels:
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1 Accepted Solution

Accepted Solutions

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david
Level 1
Level 1

‎12-15-2011 03:56 AM

Hi,

It sounds like a codec negotiation issue. Judging from your trace, you plan to use G.729 across or ?

Try to remove G.729 Annex B silence suppresion as a G.729 variant. Go to:

System -> Services -> "Choose any Server" -> Cisco Callmanager

"Strip G.729 Annex B (Silence Suppression) from Capabilities Required Field" and set it to True.

It will automatically get replicated to all nodes in your cluster.

It might help or it might be something else.

View solution in original post

4 Replies 4

Go to solution
david
Level 1
Level 1

‎12-15-2011 03:56 AM

Hi,

It sounds like a codec negotiation issue. Judging from your trace, you plan to use G.729 across or ?

Try to remove G.729 Annex B silence suppresion as a G.729 variant. Go to:

System -> Services -> "Choose any Server" -> Cisco Callmanager

"Strip G.729 Annex B (Silence Suppression) from Capabilities Required Field" and set it to True.

It will automatically get replicated to all nodes in your cluster.

It might help or it might be something else.

Go to solution
Leonardo Santana
Spotlight
Spotlight
In response to david

‎12-15-2011 05:41 AM

Hello Rasdolav

From the network of the IP Phone registered in cluster 1 to the network of the IP Phone registered on the cluster 2 do you have reachability?

Thanks

Regards
Leonardo Santana

*** Rate All Helpful Responses***
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radoslav-drabik
Level 1
Level 1
In response to Leonardo Santana

‎12-15-2011 05:44 AM

Hi

the issue is solved now. The problem was with the "Silence Suppression" suppression as David descripted. Once we turned it off it started to work. Thank you!

0 Helpful

Go to solution
Wilson Gonzalez
Level 1
Level 1
In response to david

‎12-02-2014 06:43 AM

David, 

 

Thanks very much for this solution, not even Cisco TAC has been able to pinpoint this issue until I decided to look at the traces and troubleshoot this myself.

 

Kudos for you!

 

Wilson

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