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NO CID DSP Caller ID Digital Signal Processors (CIDDSP’s) are resources
in the iDCS 500 required for receiving CID data.If there are
no CIDDSP’s available at the time a call comes in,this is the
message you will see on your display.
NOTE:The Caller ID features require optional software and/or hardware.Please see
your service and installation company for details.
WHAT IS ANI?
ANI (Automatic Number Identification) is a feature offered by some telephone
service providers that provides the calling party’s telephone number.This service
is only available on E&M Tie Lines on a T1, digital trunk. ANI is similar to Caller
Identification (CID) but the format and information of the calling person is differ-
ent.CID uses FSK signalling and ANI uses DTMF signalling.Usually, with ANI,a call-
ing party’s identity is the Listed Directory Number (LDN) unless a separate bill-to-
number has been specified,(in which case the bill-to-number will be sent). Along
with the ANI digits you also receive DNIS digits with a separator digit. The DNIS
digits are used to tell the iDCS 500 where to route the call.Note that ANI does not
provide calling party NAME, only the number. The iDCS 500 can provide calling
number to name translation table.
WHAT IS CLI?
On ISDN circuits, calling party information is called CLI and is supported on both
BRI and PRI type circuits on the iDCS 500. On BRI circuits the iDCS 500 only sup-
ports number delivery and, like ANI, a name can be attached to the telephone
number of frequent callers via the Caller ID translation table. On 5ESS and NI2 PRI
circuits both name and number support is provided on the iDCS 500 system. On
a DMS100 circuit only number service is provided.
SELECTING YOUR CALLER ID
DISPLAY
You can decide if you want to see the CID number in the display. Regardless of
which one is selected,you can press the NDD key to view the other pieces of CID
information.To select the type of Caller ID information you wish to view first:
• With the handset on-hook, press TRSF and then dial 119.
• Dial 0 for CID options or 1 for ANI options, or 2 for CLI options.
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WHAT IS CALLER ID?
Caller ID is the name given to the telephone company-provided feature that de-
livers the telephone number and sometimes the name of the person calling your
phone. There are two types of Caller ID; the first delivers the calling party’s tele-
phone number only and the second (sometimes referred to as “Deluxe”Caller ID)
delivers both the calling party’s telephone number and name as listed in the tele-
phone directory.
The iDCS 500 system can handle both types of Caller ID;in fact,in the case of num-
ber only delivery, the system can be programmed to insert a name for a specific
telephone number (up to a maximum of 1500 numbers). However, even though
you are paying to receive Caller ID information,there are some circumstances that
mean you will not receive this information.The six most common reasons are list-
ed below along with the display information that the iDCS 500 will provide.
PRIVATE The caller does not wish his/her name or number to be re-
vealed to you.This type of call can be stopped at the tele-
phone company by dialing an access code on your outside
lines.This will redirect these PRIVATE calls to an announce-
ment that states that you do not wish to receive calls that
have had Caller ID blocked. The code to block these calls
can usually be found in the front section of the telephone
directory.
OUT OF AREA The caller is calling from an area that cannot provide Call-
er ID information (for example, international calls) or
he/she is calling from a type of circuit that cannot provide
Caller ID information, for example, some outbound WATS
lines.
PAYPHONE The caller is calling from a coin-operated telephone. The
telephone company will send this information as there are
no directory listings for pay phones. The number will be
delivered as usual.
INVALID CID INFO This is a message that will be displayed when CID informa-
tion is sent on the line but was somehow corrupted.
NO CID RECEIVED This is a message that will be displayed when there was no
CID information sent on the line.
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