[OpenSIPS-Users] [asterisk-users] Register Free Opensips/Asterisk Integration

[Olle E. Johansson]

10 mar 2013 kl. 03:04 skrev Nick Khamis <symack at gmail.com>:

> Hello Everyone,
> 
> I have gone through a few really good tutorials from the OpenSIPS
> site, Asterisk resources etc.. The unanswered question (and final
> piece of our puzzle) is if it's possible to have a register free
> environment in an OpenSIPS/Asterisk integration. Most approaches have
> OpenSIPS relay the UA's REGISTER request to Asterisk which has
> "host=dynamic" set for the Friend/Peer and everything works as
> expected.
> 
There are a lot of models for this. Check my presentation from Astricon
2010 to get some ideas.
http://www.slideshare.net/oej/astricon-2010-scaling-asterisk-installations

/O
> Where I run into problems is in Inbound calls. When I try to call the
> extension from a DID I am receiving "Unable to create channel of type
> 'SIP' (cause 20 - Unknown)". And rightfully so!
> Reason being:
> 
> SIP Show Peers Yields:
> 
> Name/username     Host            Dyn    Forcerport ACL Port
> Status               Realtime
> 1001/1001              192.168.2.5            N      5060
> UNREACHABLE Cached RT
> TTrunk/sip.exp.com 192.168.2.5            N      5060     UNKNOWN Cached RT
> 
> 
> As for who will keep track of the UA location, the OpenSIPS `location`
> table has the correct
> info:
> 
> select username,domain,contact,socket from location;
> +----------+--------------------+----------------------------+----------------------+
> | username | domain             | contact                    | socket
>             |
> +----------+--------------------+----------------------------+----------------------+
> | 1001     | sip.exp.com | sip:1001 at 192.168.2.11:5060 | udp:192.168.2.5:5060 |
> +----------+--------------------+----------------------------+----------------------+
> 
> OpenSIPS: sip.exp.com
> OpenSIPS: 192.168.2.5
> Asterisk: 192.168.2.10
> UA: 192.168.2.11
> 
> I have set `host=sip.exp.com' for the UA but the UA is still
> `UNREACHABLE` by asterisk
> 
> As for the rest of the media related stuff, everything works
> perfectly. Outbound works fine. As you know, this only poses a problem
> with inbound calls to the UAs.
> 
> Your Help is Greatly Appreciated,
> 
> Nick.
> 
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