You can prevent others from joining the call by using the MADN feature to make the call private.
To make the call private you dial a special code (Vertical Service Code) so that the call server
knows that the call is private. To dial a Vertical Service Code on an IP Deskphone, you must
first initiate a new call by pressing the Action context-sensitive soft key, select New Call/
Conference, and then dial the Vertical Service Code that is provided by your system
administrator or service provider.
Note:
The MADN feature is only available when you connect to a call server that supports it. Your
system administrator manages the MADN feature and enables the MADN feature on your
IP Deskphone if required.
When multiple IP Deskphones are configured with a MADN SCA feature, they share one single
Directory Number (DN) that is available to the user. An incoming call to this DN or to any SIP
address of the users of the MADN SCA group causes all the IP Deskphones to ring. Also, any
user of the MADN SCA group can join a call initiated from any of the IP Deskphones of that
group.
Any user that joins a call with the MADN SCA feature can put the call on hold and prevent
other users within the MADN SCA group from joining.
Figure 32: MADN SCA shared line not active
Additional features
172 Avaya 1230 IP Deskphone with SIP Software User Guide November 2013
Comments? infodev@avaya.com
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