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res_pjsip: Adjust outgoing offer call pref.

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This changes the outgoing offer call preference
default option to match the behavior of previous
versions of Asterisk.

The additional advanced codec negotiation options
have also been removed from the sample configuration
and marked as reserved for future functionality in
XML documentation.

The codec preference options have also been fixed to
enforce local codec configuration.

ASTERISK-29109

Change-Id: Iad19347bd5f3d89900c15ecddfebf5e20950a1c2
This commit is contained in:
Joshua C. Colp
2020-10-06 12:32:04 -03:00
parent fa023cbfa0
commit dcd2ed69a3
5 changed files with 36 additions and 77 deletions
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66
configs/samples/pjsip.conf.sample
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@@ -828,69 +828,17 @@
; local - Include all codecs in the local list that
; are also in the remote list preserving the local
; order.
; local_merge - Include all codecs in BOTH lists
; preserving the local list order. Codes in the
; remote list not in the local list will be placed
; at the end of the joint list.
; local_merge - Include all codecs in the local list
; preserving the local order.
; local_first - Include only the first codec in the
; local list.
; remote - Include all codecs in the remote list that
; are also in the local list preserving remote list
; order. (default)
; remote_merge - Include all codecs in BOTH lists
; preserving the remote list order. Codes in the
; local list not in the remote list will be placed
; at the end of the joint list.
; remote_first - Include only the first codec in
; the remote list.
;codec_prefs_incoming_offer=; This is a string that describes how the codecs
; specified on an incoming SDP offer (pending) are
; reconciled with the codecs specified on an endpoint
; (configured) before being sent to the Asterisk core.
; The string actually specifies 4 name:value pair
; parameters separated by commas. Whitespace is
; ignored and they may be specified in any order.
; prefer: <pending | configured>,
; operation: <intersect | only_preferred
; | only_nonpreferred>,
; keep: <first | all>,
; transcode: <allow | prevent>
;codec_prefs_outgoing_offer=; This is a string that describes how the codecs
; specified in the topology that comes from the
; Asterisk core (pending) are reconciled with the
; codecs specified on an endpoint (configured)
; when sending an SDP offer.
; The string actually specifies 4 name:value pair
; parameters separated by commas. Whitespace is
; ignored and they may be specified in any order.
; prefer: <pending | configured>,
; operation: <intersect | union
; | only_preferred | only_nonpreferred>,
; keep: <first | all>,
; transcode: <allow | prevent>
;codec_prefs_incoming_answer=; This is a string that describes how the codecs
; specified in an incoming SDP answer (pending)
; are reconciled with the codecs specified on an
; endpoint (configured) when receiving an SDP
; answer.
; The string actually specifies 4 name:value pair
; parameters separated by commas. Whitespace is
; ignored and they may be specified in any order.
; prefer: <pending | configured>,
; operation: <intersect | union
; | only_preferred | only_nonpreferred>,
; keep: <first | all>
;codec_prefs_outgoing_answer=; This is a string that describes how the codecs
; that come from the core (pending) are reconciled
; with the codecs specified on an endpoint
; (configured) when sending an SDP answer.
; The string actually specifies 4 name:value pair
; parameters separated by commas. Whitespace is
; ignored and they may be specified in any order.
; prefer: <pending | configured>,
; operation: <intersect | union
; | only_preferred | only_nonpreferred>,
; keep: <first | all>
; order.
; remote_merge - Include all codecs in the local list
; preserving the remote list order. (default)
; remote_first - Include only the first codec in the
; remote list that is also in the local list.
;preferred_codec_only=no ; Respond to a SIP invite with the single most
; preferred codec rather than advertising all joint
; codec capabilities. This limits the other side's