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TOUCH-TONE AND DIAL PULSE SERVICES
Description
All single-line voice terminals and MET sets are equipped with touch-tone dial pads that
generate Dual Tone Multifrequency (DTMF) signals when a dial button is pressed. The
7300H series (MERLIN) voice terminals are equipped with touch dial pads that generate
digitally coded signals when a dial button is pressed.
Each pool of outside lines and each Personal Line maybe independently arranged for either
touch-tone or dial pulse service.
Touch-Tone Dial Pads
On outgoing calls on trunks requiring touch-tone signals, cut-through-dialing is provided.
Where the trunk requires dial pulse signals, conversion of the touch-tone signals to dial
pulses is provided until an end of dialing signal is detected. Cut-through is then provided,
and all subsequent digits are sent as touch-tone signals. See the “End-to-End Signaling”
subsection for more information.
Touch Dial Pads
On outgoing calls on trunks requiring touch-tone signals, all dialed digits are converted to
touch-tone signals. Where the trunk requires dial pulse signals, the dialed digits are
converted to dial pulses until an end of dialing signal is detected. Cut-through is then
provided, and all subsequent digits are converted to touch-tone signals. See the ’’End-to-End
Signaling’’ subsection for more information.
Considerations
None
Interactions
None
Administration Requirements
Trunk Port:
● Assign trunk Class Of Service (COS). (COS includes touch-tone/dial pulse
specification.)
Hardware Requirements
None
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