diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index e7c552c3e43816cb5b32ac35e40ad638c1af4602..4820725b2181f2bfb3bac4c71f3b49bfc2621875 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4810,7 +4810,8 @@ 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;