[cisco-voip] Can a CUBE be used to connect CUCM and Asterisk to a SIP Trunk

[Matthew Saskin]

This would not be a problem at all.  The short answer is you'd end up
having dial peers on the CUBE that route (via destination pattern, etc.)
specific calls/DID's to the asterisk IP address and specific calls/DID's to
the be6k address.

-matthew

Matthew Saskin
msaskin at gmail.com
203-253-9571



On Sun, Dec 2, 2012 at 12:40 AM, Dieter Jansen <justtemprament at gmail.com>wrote:

> Hi All,
>
> We are looking to replace an existing Asterisk PBX with about 40 SIP
> handsets with a CUCM UC solution (BE6K) with about 50 new CP-8945s.
>
> The current installation uses a SIP trunk and we plan to keep using this
> to connect to the PSTN.  We have a 100 DID block for our incoming calls.
>
> As we have comparatively little experience with the Cisco solution we're
> looking at a soft introduction and will probably have both sets of handsets
> in place in parallel for a while.
>
> I've got all the edge switches and VLANing working - independent data,
> voice and legacy voice VLANs/subnets and all required routing between.
>  We're at the point where test phones can place video calls to each other
> so we now need to get routing and PSTN access happening
>
> Originally I was thinking I'd set up a CUCM-behind-Asterisk
> or Asterisk behind-CUCM situation whilst testing but on reading the Cisco
> documents and books I've noted the suggested use of a CUBE SBC.  As we have
> a spare router that can probably do CUBE I was wondering if I should set
> that up to register with our VSP.
>
> In the first instance I'd get the Asterisk box to pass calls to the CUBE
> and have the CUBE forward all incoming calls to the Asterisk.
>
> What I'm hoping is that I could then also have the CUCM pass calls to the
> same CUBE and route a subset of the inward DIDs to the CUCM whilst testing
> - allowing me to get all the setup sorted whilst easily flipping incoming
> calls to specific DID between Asterisk and CUCM.
>
> I've not seen an example of the CUBE being used in this way - is it
> possible?
>
> Regards, JustTemprament.
>
>
>
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