136 Voice API Programming Guide — June 2005
Caller ID
ACLIP (Analog Calling Line Identity Presentation)
a standard used in Singapore published by the Telecommunications Authority of Singapore
and supported in the following formats:
•Single Data Message (SDM) format
•Multiple Data Message (MDM) format
CLIP (Calling Line Identity Presentation)
a standard used in the United Kingdom published by British Telecommunications (BT)
JCLIP (Japanese Calling Line Identity Presentation)
a standard for “Number Display” used in Japan published by Nippon Telegraph and Telephone
Corporation (NTT).
Note: JCLIP operation requires that the Japanese country-specific parameter file be
installed and configured (select Japan in the Dialogic country configuration).
Caller ID information is received from the Central Office (CO) between the first and second ring
for CLASS and ACLIP, and before the first ring for CLIP. This information is supported as sent by
the service provider in the format types described in Table13.
Note: One or more of the caller ID features listed above may not be available from your service provider.
Contact your service provider to determine the caller ID options available from your CO.
Table13. Supported CLASS Caller ID Information
Caller ID Information
CLASS and
ACLIP CLIP JCLIP
SDM * MDM ** MDM **
Frame header (indicating SDM or MDM format type) X X X
Calling line’s Directory Number (DN) XXXX
Date XXX
Time XXX
Calling line’s subscriber name X X
Calling line’s DN (digits only) X X
Dialed directory number (digits only) X X X
Reason why caller DN is not available X X X
Reason why calling subscriber name is not available X X X
Indicate if the call is forwarded X
Indicate if the call is “long distance” X
Type of call (such as voice, ringback when free,
message waiting call)
X
Network Message System status (number of
messages waiting)
X
* Single Data Message
** Multiple Data Message