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List:       serusers
Subject:    Re: [SR-Users] Selects vs PVs
From:       Alex Balashov <abalashov () evaristesys ! com>
Date:       2012-01-28 8:22:40
Message-ID: 03442C76-27B8-4F2B-9EE0-094BF3772D12 () evaristesys ! com
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This is a distinction arising from the integration of SER and Kamailio into \
sip-router.  Selects come from the SER side, while PVs come from the Kamailio side.  

You can use either one depending on your needs; there is no methodological \
prescription here, want one though you may. :-) Beware that the @... syntax for \
accessing selects is not recognised/evaluated inline to a string literal by most \
functions that take PVs in their arguments, though, so you'd have to wrap the select \
inside the PV container for accessing them: $sel(...)

Obviously, there are things selects provide that lack corresponding PVs, such as much \
more granular SIP message attributes, access to global cfg_get variables, etc.  But \
in terms of it being better to use one or the other, or the theory that one is \
somehow deprecated at the expense of the other -- that is not the case.

--
This message was painstakingly thumbed out on my mobile, so apologies for brevity, \
errors, and general sloppiness.

Alex Balashov - Principal
Evariste Systems LLC
260 Peachtree Street NW
Suite 2200
Atlanta, GA 30303
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web: http://www.evaristesys.com/

On Jan 28, 2012, at 3:16 AM, Spencer Thomason <spencer@5ninesolutions.com> wrote:

> Hello all,
> I'm currently reworking our routing scripts in preparation for an upgrade to 3.2.2 \
> from 3.1.5.  I'm taking this time to perform a general cleanup an optimization.  In \
> regard to selects vs PVs, is there any reason to choose one or the other select \
> over a PV when both exist for the needed data? 
> Thanks,
> Spencer
> 
> 
> 
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users@lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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