Re: [cisco-voip] Specific Off-net Called Numbers Being Dropped When Called From Jabber

Gentoo Fri, 27 Jan 2023 07:42:49 -0800

Is “Retry Video Call as Audio” checked on the SIP trunk to the SBC?

You could try setting the Maximum Session Bit Rate for Video & Immersive video calls to 0 for the region used for the SBC. So long as that region is only used for the SBC and you don’t ever need video across the SBC.

On Jan 27, 2023, at 08:31, Eric Pedersen <e...@ericpedersen.ca> wrote:

We have a sip provider whose SBC won’t accept calls with video codecs in the sdp. I created a cucm region with no video bandwidth and assigned it to the gateway to fix it.

Eric

On Fri, Jan 27, 2023 at 06:13 Gary Parker <g.j.par...@lboro.ac.uk> wrote:

Thanks Mark, that looks really promising, but I’m on 15.5 and that feature doesn’t look to have been introduced until 15.6

I’ll get a change request for an IOS upgrade in, thanks for the tip

Gary

From: Mark Turpin <m...@9line911.com>
Date: Friday, 27 January 2023 at 13:06
To: Gary Parker <g.j.par...@lboro.ac.uk>
Cc: voip puck <cisco-voip@puck.nether.net>, Telecommunication Managers <telecoms-manag...@jiscmail.ac.uk>
Subject: Re: [cisco-voip] Specific Off-net Called Numbers Being Dropped When Called From Jabber

** THIS MESSAGE ORIGINATED OUTSIDE LOUGHBOROUGH UNIVERSITY **

** Be wary of links or attachments, especially if the email is unsolicited or you don't recognise the sender's email address. **

Try adding voice-classs sip audio forced on your ITSP facing dial-peer.

Cisco Unified Border Element Configuration Guide Through Cisco IOS XE 17.5 - Video Suppression [Cisco Unified Border Element]

cisco.com

<favicon.ico>

This will remove all m= lines like video and bfcp, etc.

—

Mark Turpin

On Jan 27, 2023, at 06:44, Gary Parker <g.j.par...@lboro.ac.uk> wrote:

Hi folks, we’re using CUCM 12.5.1.14900-63, and CUBE on a pair of 2921 routers running IOS 15.5(3)M2. We’ve been using this configuration to route inbound and outbound PSTN calls via our TSP in the UK, Gamma, for a few years now with no major problems.

Recently, however, we changed our travel booking agent to a new company called Clarity BT and have found that none of our Cisco Jabber softphone users can call their number, 03330100045, which appears to be hosted with a company called Redcentric. Calls from any of our Cisco deskphones, and a small volume of users we have on MS Teams Voice, who also route out via Gamma using Direct Routing, can connect with no problems, as do calls from our mobiles.

The calls from Jabber fail within a second or two of being placed, with no message or tone. Looking at the SIP traces, they’re rejected with “403 Forbidden”/” Reason: Q.850;cause=57“, the CDR records this as a destCause of 57, “Bearer capability not authorized”

I’ve raised a support case with Gamma and they’re focussing on the fact that calls from Jabber clients appear to be including SDP video information in the call setup and have asked me if it’s possible to stop Jabber sending this. I’ve set my Jabber client to not “Always start my calls with video”, but this didn’t change anything, and it’s notable that I’m successfully placing calls to the problem number from a Cisco 8865 handset that is also video enabled and sends similar video SDP information.

It's worth mentioning that the SIP sessions are all sending the bare minimum of g711ulaw, g711alaw and g729 annex b along with whatever else the device is capable of, so it’s not like it’s failing to negotiate and audio codec.

So, has anyone had similar experience and know a solution? I tried looking for ways to filter out the SDP video stuff at the CUBE, but my Google-fu failed me (although I think this is a red herring due to the 8865 always connecting.

Below is a capture of a failed call from a Jabber client to the problem number with the IP addresses obfuscated:

Jan 23 11:06:03.383: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Received:

INVITE sip:903330100...@xxx.xxx.xxx.xxx:5060 SIP/2.0

Via: SIP/2.0/TCP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK1ec5d7b7426e8

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=1460625~6c2496f4-28ae-4afc-bfa9-0620307b8c3e-103494796

To: sip:903330100045@ xxx.xxx.xxx.xxx

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: ebb22500-1ee1b910-1cb56-87a27d9e@ xxx.xxx.xxx.xxx

Supported: timer,resource-priority,replaces

Min-SE: 1800

User-Agent: Cisco-CUCM12.5

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

CSeq: 101 INVITE

Expires: 180

Allow-Events: presence, kpml

Supported: X-cisco-srtp-fallback,X-cisco-original-called

Call-Info: sip: xxx.xxx.xxx.xxx:5060;method="NOTIFY;Event=telephone-event;Duration=500"

Call-Info: <urn:x-cisco-remotecc:callinfo>;x-cisco-video-traffic-class=DESKTOP;x-cisco-qos-tcl=true

Session-ID: 7b390f7500105000a000a860b63b96d1;remote=00000000000000000000000000000000

Cisco-Guid: 3954320640-0000065536-0000002092-2275573150

Session-Expires: 1800

P-Asserted-Identity: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx

Remote-Party-ID: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;party=calling;screen=yes;privacy=off

Contact: sip:+441509635635@ xxx.xxx.xxx.xxx:5060;transport=tcp;video;audio;+u.sip!devicename.ccm.cisco.com="JFWCCGJP";bfcp

Max-Forwards: 69

Content-Type: application/sdp

Content-Length: 1583

v=0

o=CiscoSystemsCCM-SIP 1460625 1 IN IP4 xxx.xxx.xxx.xxx

s=SIP Call

c=IN IP4 xxx.xxx.xxx.xxx

b=TIAS:3968000

b=AS:3968

t=0 0

a=cisco-mari:v1

a=cisco-mari-rate

m=audio 22946 RTP/AVP 114 9 104 105 0 8 18 111 101

a=extmap:14/sendrecv http://protocols.cisco.com/timestamp#100us

a=rtpmap:114 opus/48000/2

a=rtpmap:9 G722/8000

a=rtpmap:104 G7221/16000

a=fmtp:104 bitrate=32000

a=rtpmap:105 G7221/16000

a=fmtp:105 bitrate=24000

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:111 X-ULPFECUC/8000

a=fmtp:111 max_esel=1420;m=8;max_n=32;FEC_ORDER=FEC_SRTP

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=trafficclass:conversational.audio.avconf.aq:admitted

m=video 27310 RTP/AVP 126 97 111

b=TIAS:3968000

a=label:11

a=extmap:14/sendrecv http://protocols.cisco.com/timestamp#100us

a=rtpmap:126 H264/90000

a=fmtp:126 profile-level-id=42801F;packetization-mode=1;max-mbps=244800;max-fs=8161;max-rcmd-nalu-size=32000;level-asymmetry-allowed=1

a=imageattr:126 recv [x=[32:1:1920],y=[18:1:1080],par=1.7778,q=1.00]

a=rtpmap:97 H264/90000

a=fmtp:97 profile-level-id=42801F;packetization-mode=0;max-mbps=244800;max-fs=8161;level-asymmetry-allowed=1

a=imageattr:97 recv [x=[32:1:1920],y=[18:1:1080],par=1.7778,q=1.00]

a=rtpmap:111 X-ULPFECUC/90000

a=fmtp:111 max_esel=1420;m=8;max_n=32;FEC_ORDER=FEC_SRTP

a=content:main

a=rtcp-fb:* ccm fir

a=rtcp-fb:* ccm tmmbr

a=rtcp-fb:* nack pli

a=trafficclass:conversational.video.avconf.aq:admitted

m=application 32782 RTP/AVP 125

a=rtpmap:125 H224/4800

a=rtcp:32783

Timestamp: 3757316763383

UTC Timestamp:3757316763383

Jan 23 11:06:03.399: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Sent:

INVITE sip:03330100045@ xxx.xxx.xxx.xxx SIP/2.0

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACA21CA

Remote-Party-ID: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;party=calling;screen=yes;privacy=off

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE6F4-203B

To: sip:03330100045@ xxx.xxx.xxx.xxx

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

Supported: 100rel,timer,resource-priority,replaces,sdp-anat

Min-SE: 1800

Cisco-Guid: 3954320640-0000065536-0000002092-2275573150

User-Agent: Cisco-SIPGateway/IOS-15.5.3.M2

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

CSeq: 101 INVITE

Timestamp: 1674471963

Contact: sip:+441509635635@ xxx.xxx.xxx.xxx:5060

Expires: 180

Allow-Events: telephone-event

Max-Forwards: 68

Content-Type: application/sdp

Content-Disposition: session;handling=required

Content-Length: 723

v=0

o=CiscoSystemsSIP-GW-UserAgent 8484 5909 IN IP4 xxx.xxx.xxx.xxx

s=SIP Call

c=IN IP4 xxx.xxx.xxx.xxx

t=0 0

m=audio 18606 RTP/AVP 0 8 18 101

c=IN IP4 xxx.xxx.xxx.xxx

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

m=video 19886 RTP/AVP 119 98

c=IN IP4 xxx.xxx.xxx.xxx

b=TIAS:3968000

a=rtpmap:119 H264/90000

a=fmtp:119 profile-level-id=42801F;packetization-mode=1;max-mbps=245000;max-fs=8192

a=rtpmap:98 H264/90000

a=fmtp:98 profile-level-id=42801F;packetization-mode=0;max-mbps=245000;max-fs=8192

a=label:11

a=content:main

m=application 32130 RTP/AVP 125

c=IN IP4 xxx.xxx.xxx.xxx

a=rtpmap:125 H224/4800

Timestamp: 3757316763399

UTC Timestamp:3757316763399

Jan 23 11:06:03.399: //3261564/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 100 Trying

Via: SIP/2.0/TCP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK1ec5d7b7426e8

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=1460625~6c2496f4-28ae-4afc-bfa9-0620307b8c3e-103494796

To: sip:903330100045@ xxx.xxx.xxx.xxx

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: ebb22500-1ee1b910-1cb56-87a27d9e@ xxx.xxx.xxx.xxx

CSeq: 101 INVITE

Allow-Events: telephone-event

Server: Cisco-SIPGateway/IOS-15.5.3.M2

Content-Length: 0

Timestamp: 3757316763399

UTC Timestamp:3757316763399

Jan 23 11:06:03.415: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACA21CA

From: sip:#133415#+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE6F4-203B

To: sip:03330100045@ xxx.xxx.xxx.xxx

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

CSeq: 101 INVITE

Timestamp: 1674471963

Content-Length: 0

Timestamp: 3757316763415

UTC Timestamp:3757316763415

Jan 23 11:06:03.539: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 403 Forbidden

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACA21CA

To: sip:03330100045@ xxx.xxx.xxx.xxx ;tag=3883460763-1759542453

From: sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE6F4-203B

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

CSeq: 101 INVITE

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

Contact: sip:03330100045@ xxx.xxx.xxx.xxx:5060

Content-Length: 0

Timestamp: 3757316763539

UTC Timestamp:3757316763539

Jan 23 11:06:03.543: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Sent:

ACK sip:03330100045@ xxx.xxx.xxx.xxx SIP/2.0

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACA21CA

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE6F4-203B

To: sip:03330100045@ xxx.xxx.xxx.xxx ;tag=3883460763-1759542453

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

Max-Forwards: 70

CSeq: 101 ACK

Allow-Events: telephone-event

Content-Length: 0

Timestamp: 3757316763543

UTC Timestamp:3757316763543

Jan 23 11:06:03.543: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Sent:

INVITE sip:03330100045@ xxx.xxx.xxx.xxx SIP/2.0

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACB1AD5

Remote-Party-ID: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;party=calling;screen=yes;privacy=off

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE784-154C

To: sip:03330100045@ xxx.xxx.xxx.xxx

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

Supported: 100rel,timer,resource-priority,replaces,sdp-anat

Min-SE: 1800

Cisco-Guid: 3954320640-0000065536-0000002092-2275573150

User-Agent: Cisco-SIPGateway/IOS-15.5.3.M2

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

CSeq: 102 INVITE

Timestamp: 1674471963

Contact: sip:+441509635635@ xxx.xxx.xxx.xxx:5060

Expires: 180

Allow-Events: telephone-event

Max-Forwards: 68

Content-Type: application/sdp

Content-Disposition: session;handling=required

Content-Length: 723

v=0

o=CiscoSystemsSIP-GW-UserAgent 8484 5909 IN IP4 xxx.xxx.xxx.xxx

s=SIP Call

c=IN IP4 xxx.xxx.xxx.xxx

t=0 0

m=audio 18606 RTP/AVP 0 8 18 101

c=IN IP4 xxx.xxx.xxx.xxx

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

m=video 19886 RTP/AVP 119 98

c=IN IP4 xxx.xxx.xxx.xxx

b=TIAS:3968000

a=rtpmap:119 H264/90000

a=fmtp:119 profile-level-id=42801F;packetization-mode=1;max-mbps=245000;max-fs=8192

a=rtpmap:98 H264/90000

a=fmtp:98 profile-level-id=42801F;packetization-mode=0;max-mbps=245000;max-fs=8192

a=label:11

a=content:main

m=application 32130 RTP/AVP 125

c=IN IP4 xxx.xxx.xxx.xxx

a=rtpmap:125 H224/4800

Timestamp: 3757316763543

UTC Timestamp:3757316763543

Jan 23 11:06:03.559: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACB1AD5

From: sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE784-154C

To: sip:03330100045@ xxx.xxx.xxx.xxx

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

CSeq: 102 INVITE

Timestamp: 1674471963

Content-Length: 0

Timestamp: 3757316763559

UTC Timestamp:3757316763559

Jan 23 11:06:03.719: //3261567/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 403 Forbidden

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACB1AD5

To: sip:03330100045@ xxx.xxx.xxx.xxx ;tag=3883460763-92077787

From: sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE784-154C

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

CSeq: 102 INVITE

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

Contact: sip:03330100045@ xxx.xxx.xxx.xxx:5060

Content-Length: 0

Timestamp: 3757316763719

UTC Timestamp:3757316763719

Jan 23 11:06:03.723: //3261564/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 403 Forbidden

Via: SIP/2.0/TCP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK1ec5d7b7426e8

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=1460625~6c2496f4-28ae-4afc-bfa9-0620307b8c3e-103494796

To: sip:903330100045@ xxx.xxx.xxx.xxx ;tag=EEDE83C-F2E

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: ebb22500-1ee1b910-1cb56-87a27d9e@ xxx.xxx.xxx.xxx

CSeq: 101 INVITE

Allow-Events: telephone-event

Server: Cisco-SIPGateway/IOS-15.5.3.M2

Reason: Q.850;cause=57

Content-Length: 0

Timestamp: 3757316763723

UTC Timestamp:3757316763723

Jan 23 11:06:03.723: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Sent:

ACK sip:03330100045@ xxx.xxx.xxx.xxx SIP/2.0

Via: SIP/2.0/UDP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK21EACB1AD5

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=EEDE784-154C

To: sip:03330100045@ xxx.xxx.xxx.xxx ;tag=3883460763-92077787

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: C2BCC425-9A4411ED-87C69C55-4AD4D9AA@ xxx.xxx.xxx.xxx

Max-Forwards: 70

CSeq: 102 ACK

Allow-Events: telephone-event

Content-Length: 0

Timestamp: 3757316763723

UTC Timestamp:3757316763723

Jan 23 11:06:03.723: //3261564/EBB225000000/SIP/Msg/ccsipDisplayMsg:

Received:

ACK sip:903330100045@ xxx.xxx.xxx.xxx:5060 SIP/2.0

Via: SIP/2.0/TCP xxx.xxx.xxx.xxx:5060;branch=z9hG4bK1ec5d7b7426e8

From: "Gary Parker" sip:+441509635635@ xxx.xxx.xxx.xxx ;tag=1460625~6c2496f4-28ae-4afc-bfa9-0620307b8c3e-103494796

To: sip:903330100045@ xxx.xxx.xxx.xxx ;tag=EEDE83C-F2E

Date: Mon, 23 Jan 2023 11:06:03 GMT

Call-ID: ebb22500-1ee1b910-1cb56-87a27d9e@ xxx.xxx.xxx.xxx

User-Agent: Cisco-CUCM12.5

Max-Forwards: 70

CSeq: 101 ACK

Allow-Events: presence, kpml

Content-Length: 0

Timestamp: 3757316763723

UTC Timestamp:3757316763723

--

Gary Parker

Unified Communications Service Manager

Loughborough University, IT Services

Phone - +441509635635

Teams - g.j.par...@lboro.ac.uk

https://www.osx.ninja/pubkey.txt

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Re: [cisco-voip] Specific Off-net Called Numbers Being Dropped When Called From Jabber

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