[Asterisk-code-review] res/res pjsip t38: Add missing initialization of t38faxmaxda... (asterisk[certified/13.1])

[Matt Jordan]

Matt Jordan has uploaded a new change for review.

  https://gerrit.asterisk.org/239

Change subject: res/res_pjsip_t38: Add missing initialization of t38faxmaxdatagram
......................................................................

res/res_pjsip_t38: Add missing initialization of t38faxmaxdatagram

Prior to this patch, the far_max_datagram value on the UDPTL structure would
remain -1 if the remote endpoint fails to provide the SDP media attribute
T38FaxMaxDatagram. This can result in the INVITE request being rejected. With
this patch, we will now properly initialize the value with either the default
value or with the value provided by pjsip.conf's t38_udptl_maxdatagram
parameter.

Review: https://reviewboard.asterisk.org/r/4589

ASTERISK-24928 #close
Reported by: Juergen Spies
Tested by: Juergen Spies
patches:
  pjsipT38patch20150331.txt submitted by Juergen Spies (License 6698)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@434688 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Change-Id: I15bde169fd59a224a02005fec9a439f0679a375e
---
M res/res_pjsip_t38.c
1 file changed, 2 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/39/239/1

diff --git a/res/res_pjsip_t38.c b/res/res_pjsip_t38.c
index d4b384f..430519e 100644
--- a/res/res_pjsip_t38.c
+++ b/res/res_pjsip_t38.c
@@ -255,6 +255,7 @@
 	ast_channel_set_fd(session->channel, 5, ast_udptl_fd(session_media->udptl));
 	ast_udptl_set_error_correction_scheme(session_media->udptl, session->endpoint->media.t38.error_correction);
 	ast_udptl_setnat(session_media->udptl, session->endpoint->media.t38.nat);
+	ast_udptl_set_far_max_datagram(session_media->udptl, session->endpoint->media.t38.maxdatagram);
 
 	return 0;
 }
@@ -578,9 +579,7 @@
 		} else if (!pj_stricmp2(&attr->name, "t38faxversion")) {
 			state->their_parms.version = pj_strtoul(&attr->value);
 		} else if (!pj_stricmp2(&attr->name, "t38faxmaxdatagram") || !pj_stricmp2(&attr->name, "t38maxdatagram")) {
-			if (session->endpoint->media.t38.maxdatagram) {
-				ast_udptl_set_far_max_datagram(session_media->udptl, session->endpoint->media.t38.maxdatagram);
-			} else {
+			if (!session->endpoint->media.t38.maxdatagram) {
 				ast_udptl_set_far_max_datagram(session_media->udptl, pj_strtoul(&attr->value));
 			}
 		} else if (!pj_stricmp2(&attr->name, "t38faxfillbitremoval")) {

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I15bde169fd59a224a02005fec9a439f0679a375e
Gerrit-PatchSet: 1
Gerrit-Project: asterisk
Gerrit-Branch: certified/13.1
Gerrit-Owner: Matt Jordan <mjordan at digium.com>