Merged revisions 203699 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r203699 | file | 2009-06-26 16:27:24 -0300 (Fri, 26 Jun 2009) | 2 lines
  
  Improve T.38 negotiation by exchanging session parameters between application and channel.
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git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.1@203703 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 6 insertions, 4 deletions

diff --git a/configs/sip.conf.sample b/configs/sip.conf.sample
index f601e82a8..7bfcda987 100644
--- a/configs/sip.conf.sample
+++ b/configs/sip.conf.sample
@@ -422,11 +422,13 @@ srvlookup=yes                   ; Enable DNS SRV lookups on outbound calls
 ; Setting this to yes, enables T.38 fax (UDPTL) passthrough on SIP to SIP calls, provided
 ; both parties have T38 support enabled in their Asterisk configuration 
 ; This has to be enabled in the general section for all devices to work. You can then
-; disable it on a per device basis. 
+; disable it on a per device basis.
+; T.38 faxing only works in SIP to SIP calls. It defaults to off.
 ;
-; T.38 faxing only works in SIP to SIP calls, with no local or agent channel being used.
-;
-; 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.
 ;
 ;----------------------------------------- OUTBOUND SIP REGISTRATIONS  ------------------------
 ; Asterisk can register as a SIP user agent to a SIP proxy (provider)