iPECS-LIK
Feature Description & Operation Manual
4.11
DTMF SIGNAL SENDING
Description
Dual Tone Multi-Frequency (DTMF) signals are used with CO lines assigned for DTMF
signaling. The duration of the DTMF signal can be adjusted from 40 to 990 milliseconds.
Operation
System
Operation of this feature is automatic when programmed.
Conditions
1. The system mutes the user’s voice transmission to reduce interference while
sending DTMF tones.
CO Line Signal Type (PGM 141-Btn 5)
Inter Digit Timer (PGM 181-Btn 7)
DTMF Duration Timer (PGM 182-Btn 9)
Related Features
Dial Pulse Signaling
Hardware