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

Wed Mar 21 23:03:43 EDT 2018

I'm actually confused why setting the fax machine to 14400 helps,
considering G3 speeds are capped at 14400.  Unless this is disabling SG3
speeds, which newer cisco gateways have sg3-to-g3 enabled.

On Wed, Mar 21, 2018 at 10:00 PM Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

>
> I second this magic bullet. Although we're using PRI.
>
> Turning ecm off and 14400.
>
> Problem is, with some of the mfps out there, you have to go into a special
> mode on startup by holding down keys while powering up. Once in, entering
> special key sequences to select 14400.
>
> ECM can be turned off by a menu. Go figure.
>
>
>
> Sent from my iPhone
>
> On Mar 21, 2018, at 5:41 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>
> The magic bullet for faxing over sip with Cisco equip, for me, has always
> been to disable ECM on the fax machine (or through cube) and set the TX
> rate of the device to 1400 baud.
>
> Sent from my iPhone
>
> On Mar 21, 2018, at 17:35, Jonatan Quezada <jonatan.quezada at chemeketa.edu>
> wrote:
>
> thank you all for th einsight, I do have MTP checked on trunk , and run
> on  all CM nodes is checked as well.
>
> The main issue anymore is with the Faxes now. the behavior of the calls is
> almost night and day in the fixed direction. Fax now is where my focus lies
> now. any thoughts?
>
> On Wed, Mar 21, 2018 at 2:27 PM, Kent Roberts <kent at fredf.org> wrote:
>
>> Remember to have all the cucm ips on your cube\sbc if your using security
>> there or you will have new issues to track down
>>
>>
>> Kent
>>
>> On Mar 21, 2018, at 12:05, Ryan Huff <ryanhuff at outlook.com> wrote:
>>
>> 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> 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> 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> 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> 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> 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> wrote:
>>>>
>>>>
>>>>
>>>> On Mon, Mar 19, 2018 at 8:33 AM, Jonatan Quezada <
>>>> 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 <(303)%20319-1795>@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 <(503)%20399-5181> 5033995181 <(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
>>>>> 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",uri="sip:303319179
>>>>> 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 <(303)%20319-1795>@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 <(503)%20399-5181> 5033995181 <(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
>>>>> 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",uri="sip:303319179
>>>>> 5 at x.x.x.x:5100;transport=udp",response="afdfcac6b618eca813909e53f7a6ed
>>>>> 2e",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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>
>
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>
> Johnny Q
> Voice Technology Analyst - TelNet
> Chemeketa Community College
> Johnny.Q at chemeketa.edu
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