Matrix ETERNITY NE System Manual 1179
Virtual Extension
The Virtual Extension feature of SARVAM UCS enables multiple users to share one telephone instrument as their
extension, yet be considered as individual extensions by the system, with distinct extension properties and class of
service.
Such shared extensions are called Virtual Extensions, as their users do not have individual phones for their use.
Virtual Extensions are useful in laboratories, common rooms, dormitories, shop floors, and wherever it is not
feasible to provide dedicated telephone instruments to individual extension users. Virtual Extensions allow you
make optimum use of the existing phones without investing in new ones.
SARVAM UCS supports 20 Virtual Extensions.
How it works
The shared telephone instrument is called the Master Extension. A Master Extension can be a SLT or Matrix
Extended IP Phone.
• Virtual Extensions are assigned to the Master Extension. A Master Extension can have multiple Virtual
Extensions, but a Virtual Extension can have only one Master Extension.
• The Virtual Extension functions as any SLT or SIP extension of SARVAM UCS. It can be assigned all
features and facilities, like Class of Service, Toll Control, Call Forward, Voice Mail, just like any other
extension of SARVAM UCS.
• Incoming calls to a Virtual Extension will ring on the Master Extension.
• All incoming, outgoing, internal and external calls of the Virtual Extensions are recorded in the Station
Message Detail Records.
• To make outgoing calls, the Virtual Extension user must use the feature “Walk-In Class of Service”.
• The Virtual Extension user is logged out of the Master Extension according to the Walk Out mode assigned
to it: Walk out automatically on completion of call or Walk out on user request.
How to configure
To configure Virtual Extensions,
• Login as System Engineer.
• Under Advanced Settings, click Virtual Extensions.
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