Precedence Ring Tone

For analog interfaces: You can assign a ring tone that is defined in the CPT file to be played when a precedence call is received from the IP side. This is configured by the [PrecedenceRingingType] parameter. Emergency Telecommunications Services (ETS) calls (e.g., E911) can be configured with a higher priority than any MLPP call (default), using the [E911MLPPBehavior] parameter.

For digital interfaces: You can configure the duration for which the device plays a preemption tone to the Tel and IP sides if a call is preempted, using the [PreemptionToneDuration] parameter.