2N® Indoor View User Manual
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In-Band (Audio)
– enable classic DTMF dual tone receiving in the audio band.
RTP (RFC-2833)
– enable DTMF receiving via RTP according to RFC-2833.
SIP INFO (RFC-2976)
– enable DTMF receiving via SIP INFO messages according to
RFC-2976.
QoS DSCP Value
– set the audio RTP packet priority in the network. The set value is sent in
the TOS (Type of Service) field in the IP packet header.
Jitter Compensation
– set the buffer length for compensation of interval unevenness in
audio packet arrivals. A higher capacity improves the transmission resistance at the cost
of a greater sound delay.
Video
Enable/disable the use of video codecs for call setups and set their priorities.