TTCN example module Templates { /* import types from ASN.1 */ import from Types language "ASN.1:1997" all; /* During the conversion phase from ASN.1 to TTCN-3 */ /* - the minus sign (Message-Type) within the identifiers will be replaced by underscore (Message_Type)*/ /* - the ASN.1 identifiers matching a TTCN-3 keyword (objid) will be postfixed with an underscore (objid_)*/ // simple types template SenderID localObjid := objid {itu_t(0) identified_organization(4) etsi(0)}; // complex types /* ASN.1 Message-Type mapped to TTCN-3 Message_Type */ template Message receiveMsg(template (present) Message_Type p_messageType) := { header := p_messageType, body := ? } /* ASN.1 objid mapped to TTCN-3 objid_ */ template Message sendInviteMsg := { header := inviteType, body := { /* optional fields may be assigned by omit or may be ignored/skipped */ description := "Invite Message",