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Temporary Tone Dialing
Temporary tone dialing is used only when you have
rotary service. It allows you access to services that
require tone signaling, including some tone-activated
computer systems (e.g., telephone banking).
To change from pulse (rotary) to tone dialing during a
call:
1 Dial a telephone number with the DIAL switch set
to DP (pulse).
2 Press t; all buttons pressed after this will
send tone signals.
3 After you hang up, the phone automatically
returns to rotary service.