AT&T Communications System Telephone User Manual


 
4
Key to Symbols
Lift receiver (or press SPEAKER)
Press line button
Don’t lift receiver (and do not press SPEAKER)
Press auto-dial or programmable button
(308/616 system)
Dial outside or intercom extension number/code
Press multi-purpose button (2448 system)
(type of multi-purpose button displayed on
the symbol)
Dial feature dial code
Press feature button
Hang up receiver (or press SPEAKER if using
Use one or another procedure, depending on
the kind of telephone or type of call.
speakerphone)