Medias Mediatrix 1204, Справочное руководство

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Mediatrix 1204 149
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H A P T E R
11
Country-Specific Configuration
This chapter describes how to set the Mediatrix 1204 with the proper country settings.
Caller ID Information
The caller ID is a generic name for the service provided by telephone utilities that supply information such as
the telephone number or the name of the calling party to the called subscriber at the start of a call. In call
waiting, the caller ID service supplies information about a second incoming caller to a subscriber already busy
with a phone call. However, note that caller ID on call waiting is not supported by all caller ID-capable
telephone displays.
In typical caller ID systems, the coded calling number information is sent from the central exchange to the
called telephone. This information can be shown on a display of the subscriber telephone set. In this case, the
caller ID information is usually displayed before the subscriber decides to answer the incoming call. If the line
is connected to a computer, caller information can be used to search in databases and additional services can
be offered.
The following basic caller ID features are supported:
Date and Time
Calling Line Identity
Reason for Absence of Calling Line Identity
Calling Party Name
Reason for Absence of Calling Party Name
Caller ID Detection
The caller ID standards detected by the Mediatrix 1204 are the same for all countries. The Mediatrix 1204 is
compatible with the following standards:
Bellcore GR-30-CORE (Caller ID type 2 is not supported)
ETSI 300 659-1
The Mediatrix 1204 detects a caller ID sent on the line by the CO (Central Office) if the following conditions
are met:
The caller ID must be generated according to a caller ID standard implementing Bell-202 or
ITU-T V.23 voice band data transmission standards.
A ring pulse must be generated by the CO before it sends the caller ID.
The delay between the first and the second ring must be long enough for the caller ID to be
transmitted completely.
Many widely-used caller ID standards are compatible with the specifications stated above.
Note:
The Mediatrix 1204 cannot detect Caller ID on call waiting (CIDCW).