diff options
| author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-10-05 19:53:18 +0000 |
|---|---|---|
| committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-10-05 19:53:18 +0000 |
| commit | 95c96418356816b0ef2cb6688a44fb11bd61f0e5 (patch) | |
| tree | 5866f1998bb2e313d43f54b045153a3fc4753986 /configs/udptl.conf.sample | |
| parent | 09d7057b16e908be12e95f85c7fa14eb355921f9 (diff) | |
Merged revisions 222110 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk
........
r222110 | kpfleming | 2009-10-05 14:45:00 -0500 (Mon, 05 Oct 2009) | 25 lines
Allow non-compliant T.38 endpoints to be supportable via configuration option.
Many T.38 endpoints incorrectly send the maximum IFP frame size they can accept
as the T38FaxMaxDatagram value in their SDP, when in fact this value is
supposed to be the maximum UDPTL payload size (datagram size) they can accept.
If the value they supply is small enough (a commonly supplied value is '72'),
T.38 UDPTL transmissions will likely fail completely because the UDPTL packets
will not have enough room for a primary IFP frame and the redundancy used for
error correction. If this occurs, the Asterisk UDPTL stack will emit log messages
warning that data loss may occur, and that the value may need to be overridden.
This patch extends the 't38pt_udptl' configuration option in sip.conf to allow
the administrator to override the value supplied by the remote endpoint and
supply a value that allows T.38 FAX transmissions to be successful with that
endpoint. In addition, in any SIP call where the override takes effect, a debug
message will be printed to that effect. This patch also removes the
T38FaxMaxDatagram configuration option from udptl.conf.sample, since it has not
actually had any effect for a number of releases.
In addition, this patch cleans up the T.38 documentation in sip.conf.sample
(which incorrectly documented that T.38 support was passthrough only).
(issue #15586)
Reported by: globalnetinc
........
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.6.1@222112 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'configs/udptl.conf.sample')
| -rw-r--r-- | configs/udptl.conf.sample | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/configs/udptl.conf.sample b/configs/udptl.conf.sample index 97df84213..1d635da5c 100644 --- a/configs/udptl.conf.sample +++ b/configs/udptl.conf.sample @@ -12,10 +12,6 @@ udptlend=4999 ; ;udptlchecksums=no ; -; The maximum length of a UDPTL packet -; -T38FaxMaxDatagram = 400 -; ; The number of error correction entries in a UDPTL packet ; udptlfecentries = 3 |