CCkeypad
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Synopsis:

CCkeypad(port, channel,keypadinfo[,display])


Arguments:

       port The logical E1/T1 port number.

channel The channel number.

keypadinfo The keypadinfo specified as a hexadecimal string

[display] Optional display information for Q931 procotol (As hexadecimal string)


Description:   This function maps to the following Aculab function:


ACU_ERR call_send_keypad_info(KEYPAD_XPARMS *keypadp);


This function may be used to send keypad information during a call. This function is only supported in Q.931 and H.323 protocols.     The keypadinfo and optional display parameter must be passed as hexadecimal strings.


Returns: This function returns 0 upon success or a negative error code.