[asterisk-users] Can Asterisk bridge between a SIP client and a Cisco Call Manager server?

[Dimitar Dimitrov]

Hi Shocky. It is possible. You should use SIP trunk in CCM and  
configure some prefix to point to the Asterisk Box.
On the Asterisk BOX use SIP peer configuration to make calls trough CCM. 
You can use some prefix from the both sides and strip it when call 
arrive at the each side.
If you have CCM > 5.0 you can use SIP enabled softphone by directly 
registering info the CCM. Since you have CCM4 you should use SIP trunk 
to connect CCM and Asterisk.

Dimitar

Shocky написа:
> Hi,
>
> This is probably outside what Asterisk is intended for, but I'm hoping it can 
> help.
>
> I need to make and receive calls through a Cisco Call Manager server that I 
> have no control over. I have to use a Cisco soft phone (Cisco IP 
> Communicator), which only runs on Windows. But I'm on Linux. CCM is 
> apparently capable of supporting SIP and H.323 interfaces, but they won't 
> provide this option for me. Right now I'm using a VMWare XP guest to run the 
> soft phone, but this is painful (especially with some VPN complications 
> thrown in).
>
> I've read that Asterisk supports SCCP, at least somewhat. I'm wondering if I 
> could set up Asterisk on my desktop machine to route calls between a SIP 
> client such as Kphone or Ekiga and the CCM server. Would this be possible?
>
> I heard that one of the problems in interfacing with CCM over SCCP is the use 
> of proprietary codecs. Would this be a problem in my case?
>
> If there's a chance it can be made to work, I'll give it a try. If I'd be 
> wasting my time, please let me know.
>
> Thanks,
>
> Shocky
>   


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