diff --git a/library/MGCP_Types.ttcn b/library/MGCP_Types.ttcn
index 6febc51c1..b56734cf5 100644
--- a/library/MGCP_Types.ttcn
+++ b/library/MGCP_Types.ttcn
@@ -54,7 +54,7 @@ module MGCP_Types {
 		MgcpVersion	ver
 	} with {
 		variant "SEPARATOR(' ', '[\t ]+')"
-		variant "END('\n', '([\n])|(\n)')"
+		variant "END('\r\n', '([\r\n])|(\r\n)')"
 	}
 
 	type record MgcpParameter {
@@ -63,7 +63,7 @@ module MGCP_Types {
 	} with {
 		variant "BEGIN('')"
 		variant "SEPARATOR(': ', ':[\t ]+')"
-		variant "END('\n', '([\n])|(\n)')"
+		variant "END('\r\n', '([\r\n])|(\r\n)')"
 	}
 
 	type set of MgcpParameter MgcpParameterList with {
@@ -76,7 +76,7 @@ module MGCP_Types {
 		SDP_Message		sdp optional
 	} with {
 		variant "BEGIN('')"
-		variant (sdp) "BEGIN('\n','([\n])|(\n)')"
+		variant (sdp) "BEGIN('\r\n','([\r\n])|(\r\n)')"
 	}
 
 	external function enc_MgcpCommand(in MgcpCommand id) return charstring
@@ -90,7 +90,7 @@ module MGCP_Types {
 		charstring		string optional
 	} with {
 		variant "SEPARATOR(' ', '[\t ]+')"
-		variant "END('\n', '([\n])|(\n)')"
+		variant "END('\r\n', '([\r\n])|(\r\n)')"
 	}
 
 	type record MgcpResponse {
@@ -99,7 +99,7 @@ module MGCP_Types {
 		SDP_Message		sdp optional
 	} with {
 		variant "BEGIN('')"
-		variant (sdp) "BEGIN('\n','([\n])|(\n)')"
+		variant (sdp) "BEGIN('\r\n','([\r\n])|(\r\n)')"
 	}
 
 	external function enc_MgcpResponse(in MgcpResponse id) return charstring