Trunk Interface
Field
700/1700 Hertz
900/1700 Hertz
1300/1700 Hertz
1500/1700 Hertz
1500/1700 Hertz
Specifies the MFR1 tone to be used for the stop key when MFR1 address signaling is used.
The default value corresponds to the ST (end of pulsing) signal in ITU-T Recommendation Q.323 and Bellcore Technical Reference TR-NWT-000506.