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isdnFRP(D4isdn)


isdnFRP -- ISDN facility request parameter structure

Synopsis

   #include <sys/types.h>
   #include <sys/scoisdn.h>
   

typedef struct isdnFRP { isdnWord_t function; isdnWord_t toneDuration; isdnWord_t gapDuration; struct { isdnByte_t digits[MAX_NUMBER_DIGITS]; } DTMFdigits; } isdnFRP_t;

Description

The isdnFRP structure provides additional information for the ISDN_FACILITY.ISDN_REQ(D7isdn) message depending on the value of isdnFacility(D4isdn):

ISDN_FACILITY_HANDSET (0x0000)
Parameter does not apply (coded as a structure of 0 length).

ISDN_FACILITY_DTMF (0x0001)

function

1
start DTMF listen on B-channel data

2
stop DTMF listen

3
send DTMF

4 to n
reserved

toneDuration
time in ms for one digit; default is 40ms

gapDuration
time in ms between digits; default is 40ms

digits
characters to be sent, coded as IA5-char. '0' to '9', '*', '#', 'A', 'B', 'C', or 'D'

References

Intro(D4isdn), Intro(D7isdn)

isdnFacility(D4isdn), isdnFCP(D4isdn), isdnFIP(D4isdn)

``SCO ISDN adapter drivers'' in Developing MDI network adapter drivers.


19 June 2005
© 2005 The SCO Group, Inc. All rights reserved.
OpenServer 6 and UnixWare (SVR5) HDK - June 2005