[cisco-voip] Outbound Video Calls to Webex fail with 481

[Jonathan Charles]

Ok, let me poke around a bit... I assume every problem is because of the
firewall...


Jonathan

On Sun, Aug 20, 2017 at 7:36 PM, Ryan Huff <ryanhuff at outlook.com> wrote:

> To expand on this; it really sounds like where your trouble happens is
> during a re-invite event. If that is the case, it could very well be DNS as
> mentioned OR less likely (but plausible), a TCP timeout mismatch on a
> firewall.
>
> The codec logs and CCM trace will tell the tale for sure though.
>
> Thanks,
>
> Ryan
>
> On Aug 20, 2017, at 6:36 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>
> This might have to do with DNS. I would review all your internal/external
> SRV/A records for EXP/CUCM and your DNS zone in EXP.
>
> It sounds like the call is traversing expressway, but call manager may be
> having trouble finding the call leg via DNS, to connect the codec to.
>
> Pulling CCM traces and debug logs on the codec for a failed call will tell
> you for sure.
>
> Thanks,
>
> Ryan
>
> On Aug 20, 2017, at 6:30 PM, Jonathan Charles <jonvoip at gmail.com> wrote:
>
> Just a single VCSC and VCSE.... single CUCM 11.5... this is just a proof
> of concept...
>
>
>
> Jonathan
>
> On Sun, Aug 20, 2017 at 5:27 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>
>> Do you have EXP clusters or is this a single C/E pair?
>>
>> Sent from my iPhone
>>
>> > On Aug 20, 2017, at 6:26 PM, Jonathan Charles <jonvoip at gmail.com>
>> wrote:
>> >
>> > We have an SX80 connected to CUCM 11.5 and VCSC 8.10  to a VCSE 8.10...
>> >
>> > Outbound calls route to Webex, you see them enter the meeting and then
>> after 4 seconds, they drop, the VCS E shows
>> >
>> > 481 Call/Transaction Does Not Exist
>> >
>> > Does anyone have any ideas?
>> >
>> >
>> >
>> >
>> > Jonathan
>> >
>> >
>> > _______________________________________________
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>> > cisco-voip at puck.nether.net
>> > https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>
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