Obtaining the price of an SMS and your remaining balance in SMPP.
Include a Tag Length Value (TLV) of 0x1421 in the submit_sm with a value of 0x031.
0x1422, 0x1423, and 0x1402 will be returned with strings containing the price, remaining balance, and the Mobile Country Code (MCC)/Mobile Network Code (MNC).
|Optional TLV Field||Hex Value||Decimal|
Send a 0x1421 and get back a 0x1422/0x1423 and 0x1402 (MCC/MNC).