[cisco-voip] CUCM and cube sending weird packets?

Wed Mar 21 14:05:26 EDT 2018

Correct, that is how I understand CMG to work too and yes, very likely a bug or a reset that didn’t apply (or was needed) ... etc.

Sent from my iPhone

On Mar 21, 2018, at 14:00, Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway+cisco-voip at gmail.com>> wrote:

"Run on all nodes" does two things for you:

1) It creates an instance of that object on all CPEs, such that any one of them can answer the request, or generate a request.

2) It causes a thing to happen called, route local, which attempts to keep outbound requests on the same CPE where the inbound request was seen.  This is to alleviate ICCS traffic by involving multiple CPEs in a single call flow where not necessary.

If you've seen behavior where "run on all nodes" has caused you to adjust your CMG, then I suspect it was either not working (E.g., A reset of the device did not work), or you were hitting a defect.

On Wed, Mar 21, 2018 at 12:52 PM Ryan Huff <ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>> wrote:
This comes from empirical experience here but I have most definitely hit odd issues with “Run on all CM nodes” and the originator not being in the CMG of the SIP trunk.

Sent from my iPhone

On Mar 21, 2018, at 13:43, Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway+cisco-voip at gmail.com>> wrote:

Typo? If its enabled, then CMG doesn't matter.

On Wed, Mar 21, 2018 at 12:30 PM Ryan Huff <ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>> wrote:

Do you have “Run on all nodes” checked on the CUCM trunk? If so, please verify all CM nodes running the call manager service are in the CM Group specified in the device pool bring used by the CUCM sip trunk.

Sent from my iPhone

On Mar 21, 2018, at 13:24, Ryan Huff <ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>> wrote:

Looks like your DTMF methods are changing between the good and bad calls and possibly why Century is disregarding?

Also seems like the ccm originator is different in the good and bad SDP.

“Every fifth time” seems to predictable to be a random issue; seems more like CUCM cycling through a list or something

Do you have “Run on all nodes” checked on the CUCM trunk? If so, please verify all CM nodes running the call manager service are in the CM Group specified in the device pool used by the CUCM.

Are you having the issue in both directions?

What DTMF method do you have set on the CUCM trunk, “No Preference”?

What version of CUCM?

Sent from my iPhone

On Mar 21, 2018, at 12:37, Jonatan Quezada <jonatan.quezada at chemeketa.edu<mailto:jonatan.quezada at chemeketa.edu>> wrote:

On Mon, Mar 19, 2018 at 8:33 AM, Jonatan Quezada <jonatan.quezada at chemeketa.edu<mailto:jonatan.quezada at chemeketa.edu>> wrote:
What would change this this packet 20 percent of the time? We are trouble shooting the last ghost issue after SIP cutover.  I was on the horn with the provider and CiscoTAC and we see this for good and bad calls: any reason why centuryLink's stuff would not recognize this update from us, or possibly the (Cube,CUCM) sending last wierd packet of update one in five times which causes the call to drop

Bad calls the last invite has m=audio 20674 RTP/AVP 0 a=X-cisco-media:umoh a=ptime:20
a=rtpmap:0 PCMU/8000 and no RTP from the cusotmer PBX

and good calls has m=audio 20650 RTP/AVP 0 101 a=ptime:20 a=rtpmap:0 PCMU/8000 and good RTP from the PBX

Last invite on good call from the customer

INVITE sip:3033191795<tel:(303)%20319-1795>@67.14.92.87<http://67.14.92.87>:5100;transport=udp SIP/2.0
Via: SIP/2.0/UDP 65.152.176.94:5060;branch=z9hG4bK43843FB
P-Asserted-Identity: "3300 CCBI Mailbox"
From: "5033995181<tel:(503)%20399-5181> 5033995181<tel:(503)%20399-5181>";tag=6F13621-138F
To: "STEVEN UPCHURCH";tag=1960181175-1521299570039
-
Date: Sat, 17 Mar 2018 08:13:17 PST
Call-ID: BW101250039170318-1114511220 at 10.73.16.89<mailto:BW101250039170318-1114511220 at 10.73.16.89>
Supported: rel100,timer,resource-priority,replaces,sdp-anat
Min-SE: 1800
Cisco-Guid: 2155609728-0690754024-2718484947-3801912337
User-Agent: Cisco-SIPGateway/IOS-15.5.3.S6b
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 108 INVITE
Max-Forwards: 70
Timestamp: 1521299597
Contact:
Expires: 300
Allow-Events: telephone-event
Authorization: Digest username="263015-9717185172",realm="voip.centurylink.com<http://voip.centurylink.com/>",uri="sip:303319179
5 at 67.14.92.87<mailto:5 at 67.14.92.87>:5100;transport=udp",response="1fe4a6632f960305157b16ff3dd05944",nonce="BroadWorksXje
vihnztT47s3bhBW",cnonce="FFFFFFFF",qop=auth,algorithm=MD5,nc=00000007
Session-Expires: 1800;refresher=uac
Content-Type: application/sdp
Content-Length: 247
v=0
o=CiscoSystemsCCM-SIP 2058187 5 IN IP4 10.200.1.11
s=SIP Call
c=IN IP4 OurEndOf SIpTrunk
b=TIAS:64000
b=CT:64
b=AS:64
t=0 0
m=audio 20650 RTP/AVP 0 101
a=ptime:20
a=rtpmap:0 PCMU/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15

bad call

INVITE sip:3033191795<tel:(303)%20319-1795>@67.14.92.84<http://67.14.92.84>:5100;transport=udp SIP/2.0
Via: SIP/2.0/UDP 65.152.176.94:5060;branch=z9hG4bK43B6CCD
P-Asserted-Identity: "3300 CCBI Mailbox"
From: "5033995181<tel:(503)%20399-5181> 5033995181<tel:(503)%20399-5181>";tag=706CB6F-176F
To: "STEVEN UPCHURCH";tag=790178935-1521300984448-
Date: Sat, 17 Mar 2018 08:36:48 PST
Call-ID: BW103624448170318-1333973217 at 10.73.16.89<mailto:BW103624448170318-1333973217 at 10.73.16.89>
Supported: rel100,timer,resource-priority,replaces,sdp-anat
Min-SE: 1800
Cisco-Guid: 3415568030-0690950632-2724317651-3801912337
User-Agent: Cisco-SIPGateway/IOS-15.5.3.S6b
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 106 INVITE
Max-Forwards: 70
Timestamp: 1521301008
Contact:
Expires: 300
Allow-Events: telephone-event
Authorization: Digest username="sipUserCreds",realm="voip.centurylink.com<http://voip.centurylink.com/>",uri="sip:303319179
5 at x.x.x.x<mailto:5 at x.x.x.x>:5100;transport=udp",response="afdfcac6b618eca813909e53f7a6ed2e",nonce="BroadWorksXje
vjbx40Tz7f6gcBW",cnonce="FFFFFFFF",qop=auth,algorithm=MD5,nc=00000005
Content-Type: application/sdp
Content-Length: 181
v=0
o=CiscoSystemsCCM-SIP 2060501 3 IN IP4 Subscriber
s=SIP Call
c=IN IP4 OurEndOf SIpTrunk
t=0 0
m=audio 20674 RTP/AVP 0
a=X-cisco-media:umoh
a=ptime:20
a=rtpmap:0 PCMU/8000

<image.png>

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