Avaya 1140E User Manual Page 97

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97
Multiple Appearance Directory Number
(Single Call Arrangement)
Note: Only users of the Communication Server 2000 (CS 2000) and
Communication Server 2100 (CS 2100) have access to the Multiple
Appearance Directory Number (MADN) Single Call Arrangement (SCA)
feature at this time.
The Multiple Appearance Directory Number (MADN) allows a Directory
Number (DN) to appear on more than one IP Phone 1140E with SIP
Firmware. The MADN with Single Call Arrangement (SCA) feature allows
multiple telephones to appear as a single line to a caller. Any one of the
IP Phone 1140E telephones in a group with MADN can initiate or answer
a call, but only one call can be active at any given time. Any other user in
the group can join the active call by picking up the handset of the IP Phone
1140E with SIP Firmware.
With the MADN SCA feature configured on multiple telephones of different
registered SIP users, the telephones share one single DN. An incoming call
to this DN causes all the telephones in the group to ring.
Any user of an IP Phone 1140E with the MADN SCA feature can put a call
on hold or can prevent others from joining in the active call.
If a user’s group is active (as seen by line icon being off-hook) and the user
picks up the handset, the user is automatically joined to an ongoing MADN
call (unless the server restr icts this feature for privacy or other factors).
Vertical ser vices
Vertical services are CS 2000 and CS 2100 features that can be activated
or deactivated by dialing a defined code, for example, Privacy. Even though
no more than one active session can be established for the MADN SCA
group, members of the group can still enter certain vertical services.
Currently, the available vertical service is Privacy.
SIP Fir mware Release 1.1 for IP Phone 1140E Administration
NN43113-300 02.05 Standard
27 May 2008
Copyright © 2008, Nortel Networks
.
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