Store sip peer name as var data on a outofcall msg.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@323325 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -16095,6 +16095,7 @@ static void receive_message(struct sip_pvt *p, struct sip_request *req, struct a
 			if (!ast_strlen_zero(peer->messagecontext)) {
 				ast_string_field_set(p, messagecontext, peer->messagecontext);
 			}
+			ast_string_field_set(p, peername, peer->name);
 			peer = unref_peer(peer, "from find_peer() in receive_message");
 		}
 	}
@@ -16124,6 +16125,10 @@ static void receive_message(struct sip_pvt *p, struct sip_request *req, struct a
 		res |= ast_msg_set_context(msg, "%s", p->context);
 	}
 
+	if (!ast_strlen_zero(p->peername)) {
+		res |= ast_msg_set_var(msg, "SIP_PEERNAME", p->peername);
+	}
+
 	res |= ast_msg_set_exten(msg, "%s", p->exten);
 
 	if (res) {