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COMfortel 1400 IP/2600 IP/3600 IP - Firmware V2.6 - Operation/Configuration - V05 09/2016
Settings
Providers and PBXs
Note:
If your are unsure which DMFT signalling type you must select,
you cand find out the right type by trying them out.
Outband, with local response in acc. with RFC2833
: The telephone
uses different channels to transfer DTMF signals and voice data. The DTMF
signals are filtered out of the voice data. You hear a confirmation tone to
confirm that the DTMF signals have been sent successfully.
Inband, DTMF signals sent through the audio channel
: The
telephone uses the same channel (DTMF tones) to transfer DTMF signals
and voice data.
Outband, in acc. with RFC2833
: The telephone uses different channels
to transfer DTMF signals and voice data. The DTMF signals are filtered out
of the voice data.
Jitter buffer (ms) (40...160)
The size of the jitter buffer shows how many RTP packets can be buffered,
to bridge or compensate disruptions.
Jitter buffer size entry in milliseconds (duration of the audio signal).
Lower values:
A lower number of RTP packets can be cached in order to
buffer disruptions or to compensate for them.
Greater values:
A greater number of RTP packets can be cached in order
to buffer disruptions or to compensate for them.
SRTP
