Call Routing - Funkwerk R1202 Reference Manual

20 VoIP
398
Field
Fields in the Voice Quality Settings menu
Field
Echo Cancellation
Comfort Noise Genera-
tion (CNG)
Packet Size
Funkwerk Enterprise Communications GmbH
Description
• : Compressed from 55 to 32 kbps
• : Compressed from 47 to 24 kbps
• : Compressed from 39 to 16 kbps
• : DTMF Outband. First the system attempts to
use RFC 2833. If the remote terminal does not use this stand-
ard, SIP Info is used.
• : Allows the transmission of fax messages over
data networks.
By default ,
The codecs actually used are the intersect of the codecs
defined here and those signalled by the provider. For outgoing
calls, any remaining codecs are dropped from the list that would
require more than the available bandwidth.
Description
Select whether echo cancellation should be used.
Echo cancellation is a technique to suppress echo feedback in
voice communication on full duplex lines.
The function is enabled with
The function is enabled by default.
Specify whether Comfort Noise Generation should be used.
For digital voice transmission, this function introduces a low
level of background noise to avoid the impression that, during
pauses at the other end, the connection is lost.
The function is enabled with
The function is enabled by default.
Specify how many milliseconds of voice an RTP data packet
should contain.
Possible values are to
The default value is .
and are enabled.
.
.
.
bintec Rxxx2/RTxxx2