Action command returns the MSISDNs related to the subscriber (this information can be stored in the SIM or in the ME). If subscriber has different MSISDN for different services, each MSISDN is returned in a separate line.
MSISDN Buffer Format(See GSM 11.11 subclause10.3.5): Bytes Description Length(bytes) 0-X Alpha Identifier X X+1 Length of BCD number 1 X+2 TON and NPI 1 X+3--X+12 Dialling Number 10 X+13 Capability/Configuration Identifier 1 X+14 Extension1 Record Identifier 1