Sip account integration in CUCM config via CUBE

[EDDY MULDER]

Perhaps it has been asked before, but i cant find the correct answer right now.

I have a sip account which uses authentication.An E164. Nr is associated with this so i can call-in and call out using the sip provider.

As far as i know (until CUCM 8.6) direct usage of this kind of sip connections is not possible without using CUBE.

I am successfull doing this using Call Manager Express, but dont see a way how i can integrate the incoming call into CUCM.

How do i setup the router correctly to forward the incoming call to the CUCM and make it possible for the CUCM to make external calls

[Roger Kallberg]

In the CUBE you would need to setup VoIP dial peers, either SIP or H.323, that send the call to CUCM. In CUCM you setup the CUBE as either a SIP trunk or an H.323 GW. I would recommend you to use SIP, so you have a cleaner setup that will be a lot easier to troubleshoot than a mixed protocol setup. The you route the calls from CUCM to CUBE with RP/RL/RG, ie as used in any other call routing off cluster scenario.

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[EDDY MULDER]

I am totally new to Cube, so i am trying to find the correct information how i need to setup cube to get it working.

Currently reading all the documents available in regards of cube, but as it is the first time for me i have to use it its not as easy as i thought it would be.

[Robert Thomas]

One of the best resources I can recomend is the. Gateways and gatekeepers book the IPtoIP gateway section, although SIP was not standard back then, it would help you get a good grasp of all major configs.

Cheers

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[Roger Kallberg]

If you have setup any VGW with POTS connection to PSTN, like E1/T1, BRI, FXO, you know the basic to setup a CUBE. It's not a magical device, it only allows two VoIP call legs to be routed to each other. A "normal" VGW would route to/from POTS and VoIP call legs.

Some basic information can be found at this link, http://www.cisco.com/en/US/products/sw/voicesw/ps5640/products_configuration_example09186a00808ead0f.shtml

But there are tons of documentation out there, just a matter of a simple search in your favorite search engine :)

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[EDDY MULDER]

The issue i am facing at the moment, to be able to dialin to the SIP-DN i have to setup a fake ephone-dn otherwise when i do a show sip-us register status, i dont see the dn to be registered and when i call the DN i am not able to connect.

The sip provider i use (like voip stunt / voip-buster) seems to need a ephone-dn to be created.

When i do this it never hits the cucm.

Perhaps i do something really silly mistake which i overlook.

[Roger Kallberg]

You can change the way IOS selects the prefered dial peer with this command dial-peer hunt.

See more at this URL, http://cciev.wordpress.com/2006/05/29/dial-peer-hunting-choices/

Also change the max-dn line to add a higher preference on the ephone-dn virtual dial peer than used on the dial peer that point to CUCM. That is done by adding preference after max-dn, for example max-dn 90 preference 3


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[J. S. Black]

If your CUBE router has IOS 12.4(24)T or later you can use the credentials command under sip-ua to generate a REGISTER using an E.164 number. No need for an ephone-dn or a pots dial-peer.

HTH

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