2LAN+1POTS+WiFi Dual Mode HGU USER MANUAL
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Figure 3-54: VoIP Advance Settings
Parameter
Illustration
SIP Local Port
Set local port of SIP messages.
RTP initial port
Set beginning port of RTP messages.
Packet time
Set packet time of RTP messages, in millisecond.
DTMF mode
Set DTMF mode.
RF2833 Payload
Set the value of payload for RFC2833 mode.
Echo suppression
settings
Enable or disable echo suppression function.
VAD
Enable or disable voice activation detection function.
T38
Enable or disable T38 fax mode.