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Improve T.38 negotiation by exchanging session parameters between application and channel.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@203699 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2009-06-26 19:27:24 +00:00
parent 5ebf0f3c50
commit 59c1998d67
7 changed files with 286 additions and 113 deletions
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9
configs/sip.conf.sample
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@@ -463,11 +463,14 @@ srvlookup=yes ; Enable DNS SRV lookups on outbound calls
; This has to be enabled in the general section for all devices to work. You can then
; disable it on a per device basis.
;
; T.38 faxing only works in SIP to SIP calls, with no local or agent channel being used.
; T.38 faxing only works in SIP to SIP calls. It defaults to off.
;
; t38pt_udptl = yes ; Default false
; t38pt_udptl = yes ; Enables T.38 with FEC error correction.
; t38pt_udptl = yes,fec ; Enables T.38 with FEC error correction.
; t38pt_udptl = yes,redundancy ; Enables T.38 with redundancy error correction.
; t38pt_udptl = yes,none ; Enables T.38 with no error correction.
;
; Fax Detect will cause the SIP channel to jump to the 'fax' extension (if it exists)
; Faxs Detect will cause the SIP channel to jump to the 'fax' extension (if it exists)
; after T.38 is successfully negotiated.
;
; faxdetect = yes ; Default false