Message Header Data Format

The Unified CCX CTI message header is in what is called the Message HeaDeR (MHDR) data format. This is a common format used for message headers that precede all messages exchanged between a client and a server. The following table defines the MHDR format.

Message Header (MHDR) Format

Fixed part

Field Name

Value

Data Type

Byte Size

BodyLength

The length of the message in bytes, excluding the size of the message header (the first 8 bytes).

UINT

4

MessageTypeID

This identifies the type of message and has a unique numeric value used to determine the format of the remainder of the message.

Table 1 defines the all the messages in the message set with a unique MessageTypeID number that identifies each message. To enter a message type into a message header, enter the MessageTypeID number specified for that message in Table 1.

UINT

4