D-Link DVG-5004S User Manual page 53

DVG-5004S User's Manual
Advanced Settings → CPT / Cadence
FXS Ring Cadence Settings: Specify the ring cadence for the FXS port. In this field, you specify the on
and off pulses for the ring. The ring cadence that should be configured differs depending on local PSTN or
PBX settings and requirements.
D-Link Systems, Inc.
VoIP Gateway Configuration
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