| 摘要 |
FIELD: information technology. ^ SUBSTANCE: method (500) of communication by exchanging extensible text messages for use with a two-way radio transceiver includes an extension bit field (505) for creating an extensible heading for controlling the general size of data packets used to transmit message traffic. The protocol further includes a control bit field (530) for designating a message as a control message or a user message and a protocol data unit (PDU) type field (540) for identifying the message type. The payload field (550) can be additionally used to transfer message content. ^ EFFECT: improved transmission of control information. ^ 20 cl, 19 dwg, 1 tbl |
