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4-8
C
HAPTER
4: D
IALING
, A
NSWERING
,
AND
H
ANGING
U
P
How the Business
Modem Handles
Caller ID
When the modem receives the caller ID signal, it stores the information in
memory. You can access the information at any time by sending
ATI15
to
the modem.
ati15
3Com OfficeConnect 56K Business Modem CID Status…
80 1E 01 08 31 30 31 35 32 30 33 38 02 0A 37 30
38 35 35 35 30 30 30 31 07 0C 55 2E 53 2E 52 4F
42 4F 54 49 43 53 22
DATE = 1015
TIME = 2038
NMBR = 8475550001
NAME = U.S.ROBOTICS
OK
Using the #CID command (described below), you can have the Business
Modem send the information to your computer between the first and
second RING messages. The caller ID information is displayed only once.
RING
DATE = 1015
TIME = 2038
NMBR = 8475550001
NAME = U.S.ROBOTICS
RING
The information remains in memory until either you reset the modem or
until it receives another valid caller ID signal.
To be sure that the Business Modem receives the caller ID signal when
auto-answer is enabled, set S0=2 or higher or make sure your
communications software is set to answer on 2 or more rings.