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• M12LU Manual Headset Adapter with automatic gain control
  PEC 3122-022
• A headpiece. There are many approved models from which to choose. (See ordering information, below.)
• You should also have a properly installed and operating 4406D+, 4412D+, 4424D+, 4424LD+ telephone.
• For questions about the features associated with your telephone equipment or how to label the buttons on your equipment, please contact your system administrator.

To order Avaya equipment, go to: www.avaya.com/direct/buy  or www.avaya.com/direct or call 1-800-451-2100.

To obtain a user's guide for your Avaya telephone equipment, click here.

Please note: If you have difficulties in installing your telephone and no System Administrator is available to assist you, you can call the following numbers for assistance: (Please note: there is a charge for this service.)

NSAC - US:  800 628-8888
Canada Technical Support: 800 387-4268 or 905 943-5222