[Spce-user] peer to peer calls

[Barry Flanagan]

On 22 April 2015 at 13:30, Jon Bonilla (Manwe) <manwe at sipdoc.net> wrote:

> El Wed, 22 Apr 2015 13:56:47 +0300
> "Serge S. Yuriev" <me at nevian.org> escribió:
>
> > Hello,
> >
> > Thank you a lot, Jon.
> >
> > If I understand correctly we need to permanent register out PBX to get
> > incoming calls?
>
> If you pbx does not register by itself yes, a permanent contact should be
> added
> as fake register.
>
> > And a bit more advanced question:
> > Our PBX (Cisco Unified Contact Manager to be more specific) clustered
> > and at any time given at least 3 nodes could process incoming calls so
> > how can we balance between them for redundancy?
> >
>
> ngcp system is capable of doing DNS SRV queries. If you add a permanent
> contact
> like:
>
> sip:user at pbxdomain.com
>
> and pbxdomain.com has SRV records pointing to the three PBX systems with
> wight
> and priority, the ngcp system will read those values and use them.
>
>
>
Or you can set serial_forking_by_q_value (under Preferences -> Internals)
and then when you add your Permanent Registrations, set them to the same q
value for round robin, or different q values to have failover.


-Barry Flanagan
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