[OpenSIPS-Users] How to implement a SIP Trunk in between two SIP servers.

[Bogdan-Andrei Iancu]

Hi Steven,

If you use the opensips default script, your opensips will accept calls 
from any other external SIP entities (call targeting a local opensips 
subscriber).

If you want to configure your opensips to accept foreign calls only form 
a specific IP address, you can use the permission module, with address 
table to implement IP-based authentication.

Best regards,
Bogdan

steven chew wrote:
> Hi everyone,
>
> I am a newbie with SIP-Trunk in OpenSips. 
>
> I have a Cisco Communication Unified Manager and a OpenSips Server 
> running in two different Virtual Machines.
>
> I would like to have a SIP trunk in between them "Cisco Communication 
> Unified Manager and OpenSips Server". 
>
> Therefore, I can make a call from OpenSips Server's SIP Clients to 
> Cisco IP Phone. 
>
> What should I need to add into opensips.cfg configuration file?
>
> I hope you can give some simple examples how to do it. 
>
> I look forward to hearing from your advise asap.
>
> Thanks
> Regards,
> -Steven.
>
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-- 
Bogdan-Andrei Iancu
OpenSIPS Event - expo, conf, social, bootcamp
2 - 4 February 2011, ITExpo, Miami,  USA
www.voice-system.ro