Comdial 8024S Specifications Page 279

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As an option, you can arrange for the system to provide Caller ID data distribution through the RS232
data port B to a personal computer (PC) just as it supplies SMDA data to a data printer. This data consists
of four special-purpose messages and is in the ASCII format suitable for use with PC-based application
programs. The messages are as follows:
Table 3–12: Typical Message 1—sent out as soon as Caller ID data arrives from the CO.
Message ID
and Identifier
(3 bytes)
Line No.
(2 bytes)
Caller ID Data
(15 bytes)
End of Message
(2 bytes)
3E 3C 31 30 35 31 2D 38 30 34 2D 39 37 38 2D 32 32 30 30 20 0D 0A
> < 1 0 1 1—804978— 22 00 CRLF
Table 3–13: Typical Message 2—sent when a ringing line with CID is answered or
retrieved from hold.
Message ID
and
Identifier
(3 bytes)
Line No.
(2 bytes)
Station
No.
(2 bytes)
End of
Message
(2 bytes)
3E 3C 32 31 32 31 30 0D 0A
><2 12 10 CRLF
Table 3–14: Typical Message 3—sent when CID data is not received from answered line
or when a line is taken off-hook.
Message ID
and
Identifier
(3 bytes)
Line No.
(2 bytes)
Station
No.
(2 bytes)
End of
Message
(2 bytes)
3E 3C 33 31 35 31 32 0D 0A
><3 15 12 CRLF
Table 3–15: Typical Message 4—sent when line is made idle.
Message ID
and
Identifier
(3 bytes)
Line No.
(2 bytes)
End of
Message
(2 bytes)
3E 3C 34 30 35 0D 0A
><4 05 CRLF
IMI66–107 Digital Telephone System
System Programming 3 – 167
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