[asterisk-dev] PJSIP: allow/disallow or codecs?

[George Joseph]

On Thu, Mar 6, 2014 at 1:22 PM, Scott Griepentrog
<sgriepentrog at digium.com>wrote:

> First, a smidgen of background:
>
> The two sorcery options for pjsip.conf "allow" and "disallow" both accept
> a list of codecs and set the same table of codecs in behind the scenes.
>  The difference being of course that the disallow field inverts the meaning.
>
> There is some potential confusion here as to why there is two lists of the
> exact same codecs (see
> https://issues.asterisk.org/jira/browse/ASTERISK-23092).  I have a
> suggested patch (see https://reviewboard.asterisk.org/r/3193/) to make
> the disallow option disappear in a fashion.  You can still use the disallow
> option in pjsip.conf, but when viewing the settings with pjsip show
> endpoint # only the allow list would appear.  This is accomplished by
> marking the disallow field as an alias.
>
> An option to move away from SIP's convention of allow/disallow and have
> PJSIP use codecs=ulaw,etc has been suggested (and is coded in the review).
>  The question then is:
>
> 1) Do we want to discontinue or alias both allow & disallow and move to
> codecs?
>

> 2) If yes, then which version should that be done in?  12?  13?
>

My vote...Move to codecs and alias allow/disallow in 12,  discontinue
allow/disallow in 13.


> Note that even if codecs is chosen, allow and disallow continue to work so
> no existing pjsip.conf is broken.
>
>
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