Part of issue 8078 - parse even if udptl is UDPTL in sdp...

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@47511 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -4712,7 +4712,8 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
 					ast_verbose("Found RTP video format %d\n", codec);
 				ast_rtp_set_m_type(newvideortp, codec);
 			}
-		} else if (p->udptl && ((sscanf(m, "image %d udptl t38%n", &x, &len) == 1))) {
+		} else if (p->udptl && ( (sscanf(m, "image %d udptl t38%n", &x, &len) == 1) || 
+		 (sscanf(m, "image %d UDPTL t38%n", &x, &len) == 1) )) {
 			if (debug)
 				ast_verbose("Got T.38 offer in SDP in dialog %s\n", p->callid);
 			udptlportno = x;