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CLASS (Customer Line Access Subscriber Services) Allows the system to receive Calling Line ID digits or CLASS name on CLASS sets.

CLASS Station Side Software Support Enables ONS CLASS sets using the CLASS protocol to receive caller line identification delivery (CLID) information.

January 2012: Telefonix Voice & Date and Mitel have parted company, and we no longer carry the Mitel telephone system, deepening our specialisation in Avaya IP500 instead. This leaves us, however, in an excellent position to compare the Mitel 3300 phone system and the Avaya IP Office phone system: please contact us using the web or on 01252 333888 if you wish to discuss these phone systems.

Mitel 3300 Phone System A-Z