AT&T 8503T - Manual (Page 26)

Priority Calling [ _ ]
To place a priority call 1
2
3
Press [ Priority ]
or Dial Priority Calling code
[dial tone]
Dial extension
Wait for called party to answer
Send All Calls [ _ ]
To send all incoming calls 1 Press [ Send All Calls ]
(except priority calls) or Dial Send All Calls code
immediately to coverage
[confirmation tone]
Note: You may hear a ring-ping tone from your
voice/data terminal as each call is sent to coverage.
To cancel 1 Press [ Send All Calls ]
Send All Calls or Dial Send All Calls cancel code
[confirmation tone]
● Your calls will ring at your own voice/data
terminal again
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