FXS port configuration allows you to set parameters based on the requirements of the telephony connection. You can alter the default settings and fine-tune the parameters for your specific needs. You can set the following configuration parameters for an FXS port.
|Enable Polarity Reversal – Tip and Ring are reversed when a call is answered. Please do not change this setting unless necessary.
|Max Flash Hook Timer
|The flash hook cannot last more than X ms for the BT device to treat it as a Flash Hook.
|Min Flash Hook Timer
|The flash hook needs to last at least X ms before BT device treats it as a Flash Hook.
|The level of Dual Tone Multi Frequency tones generated by the BT device. Please do not change this setting unless necessary.
|Busy Tone Timeout
|Busy Tone will play for X seconds and then drop the call.
|Delay Busy Tone
|If the phone is in an off-hook state, the time duration that the BT device waits before playing busy tone.
|Warning Tone Timeout
|TWhen the remote side hangs up and the busy tone time out has expired, the device will start to play warning tone for this period of time.
|Will ring a line for this period of time and then cancel the call.
|Will play Dial Tone for this period of time and then play fast busy.
|Reorder (Fast Busy) Tone Time Out
|Will play fast busy tone for this period of time and then play Howler tone.
|Howler Tone (ROH) Time out
|Will play Howler tone for this period of time and then become silent.
|When a call is terminated, place line in open circuit for X ms. A value of 0 disables OSI.
Jitter Buffer Setting
|Jitter Buffer Mode
|Initial jitter buffer size
|The initial jitter buffer size in ms.
|Adaptation Min Depth
|If network conditions are good, and no late packets are detected, the jitter buffer will continue to decrease until it meets the configured size.