jackkum/phppdu
jackkum/phppdu is a PHP library for GSM SMS PDU encoding and decoding, supporting 7-bit, 8-bit, and UCS-2 payloads, multipart messages, user data headers, timestamps, and sender/recipient fields for SMS gateways and modem integrations.
jackkum/phppdu is a lightweight PHP library for encoding and decoding SMS PDU messages according to GSM 03.40 / 3GPP TS 23.040. It helps build and parse SMS-SUBMIT and SMS-DELIVER PDUs, handle common SMS data encodings, and work with multipart messages in PHP applications.
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