Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 396920)
+++ channels/chan_sip.c	(working copy)
@@ -10299,8 +10299,11 @@
 		}
 		/* Check for 'image' media offer */
 		else if (strncmp(m, "image ", 6) == 0) {
-			if (((sscanf(m, "image %30u udptl t38%n", &x, &len) == 1 && len > 0) ||
-			     (sscanf(m, "image %30u UDPTL t38%n", &x, &len) == 1 && len > 0))) {
+			/* Some devices send "m=image 0 CRAP" instead of "m=image 0 UDPTL t38"
+			 * when they decline. Check for that and accept. */
+			if ((sscanf(m, "image %30u ", &x) == 1 && x == 0) ||
+			    (sscanf(m, "image %30u udptl t38%n", &x, &len) == 1 && len > 0) ||
+			    (sscanf(m, "image %30u UDPTL t38%n", &x, &len) == 1 && len > 0)) {
 				/* produce zero-port m-line since it may be needed later
 				 * length is "m=image 0 udptl t38" + "\r\n\0" */
 				if (!(offer->decline_m_line = ast_malloc(22))) {