3Com 3C10402B, Administrator'S Manual

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502 A
PPENDIX
E: C
ALLER
ID
External ISDN BRI Calls
An external call arrives at a system on an ISDN BRI channel and is routed
to A’s telephone.
When A transfers the call to B, the Caller ID (if any is provided by the
telephone company) displays for five seconds in the top line of B’s
telephone display panel. If no caller ID information is available, the Trunk
name and channel number from the Digital Line Card appear on the top
line of B’s telephone display panel. A’s ID displays on the bottom line.
External ISDN PRI Calls
An external call arrives at a system on an ISDN PRI channel and is routed
to A’s telephone.
When A transfers the call to B, the Caller ID (if any is provided by the
telephone company) displays for five seconds in the top line of B’s
telephone display panel. If no caller ID information is available, the Trunk
name and channel number from the Digital Line Card appear on the top
line of B’s telephone display panel. A’s ID displays on the bottom line.
External T1 Calls
An external call arrives at a system on a T1 channel and is routed to
telephone A. If the call is transferred to B, the display of caller ID
information on B’s telephone depends on which
Incoming Call Digit
Format is configured on the T1 board.
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DNIS/DID — The T1 board is configured to expect either Dialed
Number Identification System digits or Direct Inward Dialing digits.
If DNIS digits arrive, there is no Caller ID information. Instead, the
system displays the name of the T1 trunk and the extension associated
with the T1 channel.
■
DNISANI — The T1 board is configured to expect Dialed Number
Identification System digits followed by Automatic Number
Identification digits.
The system displays the ANI portion of the incoming digit sequence
followed by the name of the T1 trunk and the extension associate
with the T1 channel. The ANI field can be configured to capture either
7 or 10 digits of ANI information.