![]() ![]() CC Signifies the country, the number belongs to. ![]() MSISDN Format : MSISDNĬC or mobile country code is 1 to 3 digits long. For example, if a number is of type international, the first few digits are the country code, and the call will be routed outside the country if it’s for another country. The additional information helps to decide the routing and other things. The format of MSISDN is in E.164 over the network, according to ITU-T. E.g., If a number is national or international. Over the mobile network, an MSISDN carries information along with dialed digits. ![]() If a subscriber is online and allowed to receive the call, HLR returns SendRoutingInfoResponse with the MSRN and roaming MSC/VLR information. For a mobile terminated call, the GMSC sends the SendRoutingInfo GSM MAP operation with the dialed MSISDN digits.
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