diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 5b63817963..e768b1c08b 100755
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -6090,6 +6090,8 @@ static void receive_info(struct sip_pvt *p, struct sip_request *req)
 				event = 10;
 			else if (buf[0] == '#')
 				event = 11;
+			else if ((buf[0] >= 'A') && (buf[0] <= 'D'))
+				event = 12 + buf[0] - 'A';
 			else
 				event = atoi(buf);
                         if (event < 10) {