DTMF Keypad Support lets ONS extensions use all 16 keys on a 4x4 DTMF keypad. The additional row of four keys ( ABCD) is used to access features in the system. The user can translate the ABCD keys to other digit strings (such as Speed Calls). As a result, different users may have different meanings for their ABCD keys.
ABCD are not valid extension digits.
The ABCD keys will only be translated to their equivalent COS defined values within the system dialing state.
Enter the translated value for the ABCD keys. Each field will accept up to seven digits.
All ONS devices
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