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mote modem in one action. It is particularly useful when there are many remote
modems and a set of standard configurations is available so you can store them into
user profiles. You just need to configure the remote modem into one of the standard
configurations by activating the remote configuration once.
Caller Number Delivery(CND)
Caller Number Delivery (CND), commonly called Caller ID, is a new kind of
phone service that may be offered by your local phone company. Check your phone
company for availability. You must subscribe to it and usually have to pay an addi-
tional monthly service charge for this service.
With CND service, the phone company's central office will send the coded caller
information to the called station. This information is sent once between the first
and second rings. 2864 series modems can decode this caller information and
present it to the connected computer/terminal during the second ring period as
part of the call progress ring message. The modem will also report the caller ID in-
formation if asked by the command AT*T.
There are two kinds of caller information message formats that can be sent by the
phone company. One is the single message format which includes date, time, and
caller ID; the other is the multiple message format which also includes the caller
name as registered with the phone company.
S-register S40b2 is used to enable (1) or disable (0) the caller ID detection func-
tion. The default is disabled. Enable it only when you have this service and want to
enable its detection. Note that the caller ID message may confuse some communi-
cation software not expecting it.
In the single message format, the modem will send a ring message to the terminal as
follows:
RING
TIME: MM-DD hh:mm
CALLER NUMBER: <CALLER_ID> or CALLER NAME:<CALLER_NM>
RING
whereby MM is the two-digit month message, DD is the two-digit date message, hh
is the hour and mm is the minute of the time, and CALLER_ID is the phone
number of the caller or CALLER_NM his/her name.
Following is an example:
RING
TIME: 04-28 12:30