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With outgoing calls, the system first checks if the dialed digits are an internal extension. If not, the system then checks to see if the dialed digits are a feature code. If the dialed digits are neither an internal extension number or a facility code, then the system concludes it is an external call. Hence, it is not necessary to prefix an external number with a line access code.

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 8.