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Suspend/Resume are only available on certain exchanges/Central Offices supporting this ISDN feature. When suspended the call is held at the local exchange freeing the ISDN channel for another call. Resume reconnects to the held call. Suspend Call Waiting is a compound feature that will hold a call and answer a waiting call.

Avaya IP Office Phone System Features List

New! Have you seen our new Avaya IP Office Phone System site at http://officephonesystem.co.uk? Every IP Office Phone System feature has been updated there, and it also includes all the latest information about Avaya IP Office Release 9, out September 2013.