diff --git a/library/MGCP_Types.ttcn b/library/MGCP_Types.ttcn
index 8e11c7a..b56734c 100644
--- a/library/MGCP_Types.ttcn
+++ b/library/MGCP_Types.ttcn
@@ -24,13 +24,14 @@
 	type hexstring MgcpCallId	length(1..32);	/* 3.2.2.2 */
 	type hexstring MgcpConnectionId	length(1..32);	/* 3.2.2.5 */
 	type hexstring MgcpRequestId	length(1..32);	/* 3.2.2.18 */
+	type integer MgcpOsmuxCID	(-1 .. 255);
 	type charstring MgcpResponseCode (pattern "\d#(3)");
 
 	type charstring MgcpInfoCode ("B", "C", "I", "N", "X", "L", "M", "R",
 				      "S", "D", "O", "P", "E", "Z", "Q", "T",
 				      "RC", "LC", "A", "ES", "RM", "RD", "PL",
-				      "MD", "X-Osmo-CP") with {
-		variant "TEXT_CODING(,convert=upper_case,'([BCINXLMRSDOPEZQTA])|(RC)|(LC)|(ES)|(RM)|(RD)|(PL)|(MD)|(X-Osmo-CP)',case_insensitive)"
+				      "MD", "X-OSMO-CP", "X-OSMUX") with {
+		variant "TEXT_CODING(,convert=upper_case,'([BCINXLMRSDOPEZQTA])|(RC)|(LC)|(ES)|(RM)|(RD)|(PL)|(MD)|(X-OSMO-CP)|(X-OSMUX)',case_insensitive)"
 	};
 
 	/* 3.2.2.6 */