[cisco-voip] quick question about sip and CUBE

[Erick Wellnitz]

Doh.  I forgot about changing the port.

I think that answers my question.  I can have one trunk on 5060 for  site
to site calls w/ MTP and one trunk to 5061 for least cost routing from/to
other sites.

This seems like it will suit our needs perfectly.



On Thu, Apr 4, 2013 at 11:09 AM, Anthony Holloway <
avholloway+cisco-voip at gmail.com> wrote:

> What's your ultimate goal that you want/need two trunks to a single CUBE?
>
> So in CUBE you would do something like this:
>
> dial-peer voice 1 voip
>  description Trunk 1
>  session protocol sipv2
>  destination-pattern 1...$
>  session-target ipv4:10.1.1.1:5061
> !
> dial-peer voice 2 voip
>  description Trunk 2
>  session protocol sipv2
>  destination-pattern 2...$
>  session-target ipv4:10.1.1.1:5062
> !
>
> And then in CUCM you would need to create two new SIP Trunk Security
> Profiles (Found under System > Security in 8.6), specifying the port in
> which CUCM should expect to receive the messages.  Create your two trunks
> pointing to the CUBE, using respective SIP Trunk security profiles, and
> that's how you force an inbound trunk.
>
> As for the MTP question: You can require MTP for all calls, which can be
> good and bad.  That's no different from H323 trunks to gateways.  The
> require only when needed comes in to play for SIP Early Offer only.  And
> that's a matter of the calling device and whether or not CUCM receives its
> capabilities or has to make something up using an MTP's capbilities.  DTMF
> relay mismatch (Out of band versus In band) is a different story, and
> there's no check box for that.  That's simply a function of the Media
> Manager and the MRGL on the SIP trunk, which will correct DTMF mismatches
> automatically by dynamically using an MTP as needed.  So, three different
> things going on there.
>
> I hope that helped explain it a bit more.  Maybe someone else will fill in
> some of my gaps.
>
>
> On Thu, Apr 4, 2013 at 10:22 AM, Erick Wellnitz <ewellnitzvoip at gmail.com>wrote:
>
>>
>> If I have two sip trunks from CUCM to CUBE (one which requires MTP and
>> one which does not) how does the CUBE or CUCM know which trunk settings to
>> use for inbound calls to CUCM?
>>
>> Is it best to make all of the inbound settings the same and do all of the
>> translations on the CUBE or CUCM translation patterns instead of setting
>> the significant digits?
>>
>> I'm also remembering someone telling me a while back that if you uncheck
>> the MTP Required that th etrunk will still allocate MTP if needed.  Is that
>> correct?  It would allow me to only use the one trunk with translations.
>>
>> As always, thanks for the help!
>>
>>
>>
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>>
>
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