XONTEL Plus PBX, Руководство пользователя

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Disconnect call when no RTP
packet
If it is enabled, and no RTP packets are received in PBX, calls will be disconnected.
Period without RTP
packet(10s~300s)
If no RTP packets are received within the present time, calls will be disconnected.
Packet Loss
Concealment(PLC)
Whether to enable the ‘Packet Loss Concealment’ function.
Echo Path Change
Detection(EPCD)
Whether to enable the ‘Echo Path Change Detection’ function.
Non-Linear Processor(NLP) Choose Off, Low, Normal and High.
Echo Gain Default value: -4dB.
Echo Canceller Tail
Length(ms)
Default value is 128.
DTMF Min Detect
Interval(ms)
The minimum time for DTMF detection
RTP Port Range Enter the start port and of end port RTP packets
Waiting Music Choose a tone as waiting music (music on hold)
Local extension call If it is enabled, calls between local extensions do not need routes.
FXO extension dial out Whether to dial out FXO extension
Fax Mode T30 or T38
Tone Detection by Local
If it is enabled, XonTel Plus will detect fax tones automatically during a call and the
call will be switched into fax mode after a fax tone is detected.
SDP Param ‘a=X-fax’
Attribute parameter ‘a=X-fax’ is carried in SDP
SDP Param ‘a=fax’
Attribute parameter ‘a=fax’ is carried in SDP
SDP Param ‘a=X-modem’ Attribute parameter ‘a=X-modem’ is carried in SDP
SDP Param ‘a=modem’ Attribute parameter ‘a=modem’ is carried in SDP