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Caller ID
The Global Carrier 56 has enhanced Caller ID functions integrated with its security system. The
user can set up the modem to display the number of all inbound calls and selectively answer or
not answer the call depending on whether the caller is known. The modem can also be
programmed to play a unique ‘tune’ if the caller is known.
Enabling the Caller ID Function
The user enables Caller ID by entering AT#CID1 (or AT#CID=1). It is off by default
(AT#CID0).
When enabled a message will be inserted between the 1st and 2nd RING responses from the
modem.
The message will be in the form:
DATE = mmdd where mm is the month number (01 to 12) and dd is the
day number (01-31)
TIME = hhmm where hh is the hour number (00 to 23) and mm is the
minute number (00-59)
NMBR = nnn...nnn where nnn...nnn is the calling number. If the number is
private the number is reported as ‘P’ if the network was
unable to supply the number the number is reported as
‘O’
NAME = ttt...ttt where ttt...ttt is the name of the caller, if supplied by the
network or if saved in the security database.
This format is compatible with standard Rockwell modem responses.
If the extended response option is selected (AT#CID3) the following messages are also available: