Administering Visiting Users - Avaya 9608 Administrator's Manual

Administering visiting users

Note:
Visiting user functionality is not available with Avaya Aura
Note:
The deskphone only applies visiting user behavior when the deskphone is not
connected to an SM. When a phone is connected to an SM and a user attempts
to log into an SM that is not their home SM, the deskphone is redirected with the
first register attempt to the local SM community. This is known as Mobile User
behavior as opposed to Visiting User.
Note:
Emergency calling is supported regardless of to which controller the phone is
Note:
connected.
A "visiting user" is anyone who logs into a 9600 Series SIP IP Telephone that is not his or her
primary phone at the user's home location. This could mean that the visiting user can log into a
telephone that is across the country from the home location or one in the office adjacent to the
home office. When registered as a visiting user:
After the phone registers with the local SES, the phone is redirected via the PPM
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GetHomeServer response. From that point on the phone communicates with the local SES
and the home PPM.
An inactivity timer is used to trigger inactivity and thereby un-register a user. The Visiting
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User Inactivity Timer value is communicated to the telephone via Personal Profile Manager
(PPM). The Visiting User Inactivity Timer is a local timer (VUTIMER) in the telephone that
has the same value as the EMU timer value that is set in Avaya Communication Manager
(CM). The inactivity timer is relevant when users are served through a SIP Enablement
Services (SES) that is not their home SES.
Registration Events with "Q value" of 0 result in a logout. When a new registration is sent
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from a visiting roaming or non-roaming telephone, the visiting telephone takes priority over
the user's home or primary telephone. Outbound calls can be made from either the visiting
telephone or the primary telephone. The home SES lowers the q-value of previous
registrations to zero and promotes the new registration to ensure that inbound calls will be
routed to the most recent telephone registered.
The telephone will unregister if it is a visiting user telephone. But that telephone will
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become registered as inactive if it is the primary telephone.
Set the VU_MODE configuration parameter value in the settings file to determine the visiting
user login routine. VU_MODE determines whether the phone will support Visiting User
capabilities as follows:
If the VU_MODE value is zero (Off) the telephone is considered a non-VU phone. This is
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the default value and the value associated with the user's "home" phone. The inactivity
timer is not applied when VU_MODE is 0.
Administering visiting users
®
Session Manager.
Issue 1 May 2011 125