Avaya IP Office 500 Series
Released in 2007 the Avaya IP Office 500 is the latest VoIP system from Avaya.
If you are looking for a scalable solution for your businesses telecommunication needs then the modular capabilities of the Avaya IP Office 500 will allow your phone system to grow as you do. In its 'Standard Edition', entry level format it is capable of supporting up to 32 telephone users with 16 analogue trunks and 4 digital trunks (96 T1/PRI or 120 E1) .
Upgrading to 'Professional Edition' software allows greater capacity with the Avaya IP Office 500 Series able to support 8 expansion modules allowing a combination of 270 analogue, digital, and IP extensions.
Configuring an Avaya IP Office 500 to suit your requirements is a simple process with Avaya's software applications. System monitoring and diagnostics are covered via the 'System Status' utility, call tracking by 'SMDR' and general administration through 'Manager'. Other software features that can be applied include 'Phone Manager', a visual utility for employees to manage their own calls and 'Auto Attendant' an application enabling external callers to contact their desired contact through a general number without the requirement of a receptionist.
For full specification on the Avaya IP Office 500 Series and further documentation please see link below.
Avaya IP Office 500 User Guides

Avaya IP Office Series

Avaya IP Office Handsets

Sabre Telecommunications, 1 Woodingdean Business Park, Sea View, Way, Brighton, BN2 6NX.