Patent ID: 8467794

Claim:
A telecommunications system, comprising: a first interface at a network switching node configured to receive a first call origination message from a mobile communication device, wherein the first interface comprises a code division multiple access (CDMA) air interface, wherein the first call origination message comprises a request for a call according to a CDMA air interface format, including a telephone number and a separate identifier comprising a DIGIT_MODE field or a NUMBER_TYPE field, wherein the separate identifier indicates an absence of a required international prefix, and wherein the separate identifier is formatted according to the CDMA format and is generated by the mobile communication device based on a received indicator having a Global System for Mobile Communications (GSM) format; a message translator configured to: identify the separate identifier associated with the first call origination message; retrieve, in response to identifying the separate identifier, an international prefix corresponding to a location of the network switching node; and translate, at the network switching node, the first call origination message according to the CDMA air interface format to a second call origination message requesting the call according to a core network interface format comprising the GSM format, wherein the second call origination message includes the telephone number and the international prefix formatted according to the GSM format; and a second interface, comprising the GSM communication interface, configured to transmit the second call origination message from the network switching node to the core network according to a core network format for completing the requested call.