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DPH-C160S – DECT Cordless VoIP Phone – User Manual
Advanced > VOIP
T
his page allows configuring some of the more advanced features for your VoIP
c
onnection.
D
TMF Method
Payload Type
VAD
> Telephony
Out-of band Dual Tone Multi-frequency – The Dual Tone Multi-
frequency (DTMF) mode sets how the router will handle the
tones that your telephone makes when you push its buttons. It
is recommended that you use the same mode that your VoIP
service provider uses. Select Enabled (RFC 2833) to send the
DTMF tones in RTP packets. Select Disabled (G.711) to include
the DTMF tones in the voice date stream. This method works
best when you are using a codec that does not use compression
(like G.711).
The payload type (PT) field identifies the format of the RTP
payload and determ
application
Voice Activity Detection (VAD) – Detects whether or not speech
is present. This lets the VoIP Terminal Adapter reduce the
bandwidth that a call uses by not transmitting "silent Packets"
ines its interpretation by the receiving
Page 40 of 67
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