On the Optional Features screen, ensure that the Uniform Dialing Plan field is set to y. If the Uniform Dialing Plan field is set to n, your system does not support the Uniform Dial Plan feature. Go to the Avaya Support website at http://support.avaya.com for current documentation and knowledge articles related to administering Uniform Dial Plan, or to open a service request.
To view the Optional Features screen, enter display system-parameters customer-options.
