Nortel M3900 Series Description, Installation And Operation page 31

Table 6
M3904 key configuration
Key
Number
Keys 12-15 Blocked.
Key 16 MWK (Message Waiting is not a default feature for this key).
Key 17 TRN (Call Transfer).
Key 18 A03 (3 Party Conference) or the A06 (6 Party Conference).
Key 19 CFW (Call Forward).
Key 20 RGA (Ring Again).
Key 21 PRK (Call Park).
Key 22 RNP (Ringing Number Pick-up).
Key 23 Configure as one of the following:
Note: The above services are not a default feature for this key. Can use these features on
any of the programmable keys.
Key 24 PRS (Privacy Release).
Key 25 CHG (Charge Account).
Key 26 CPN (Calling Party number).
Keys 27-31 NUL.
Configure the M3900 Series Meridian Digital Telephone
• SCU = Speed Call.
• SSU = System Speed Call.
• SCC = Speed Call Controller.
• SSC = System Speed Call Controller.
M3900 Series Telephones Description, Installation and Administration
Description
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