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3.3.2 End of Dial Key
When enabled, the ‘#’ key will force immediate dialing.
3.3.3 DTMF Type
This controls the method by which DTMF tones are delivered. The correct method will depend on
the target application. For example, many IVR systems will require In-Band tone.
3.3.4 RFC2833 Payload Type for DTMF
The RTP payload value for DTMF. This is usually set to 101.
3.3.5 Handset Volume/Handsfree Volume/Headset Volume
Allows adjustment of send and receive levels. Numbers from 0 to 8 are allowed. Higher
numbers are louder.
3.3.6 Ring Volume
Allows adjustment of ringer level. Numbers from 0 to 10 are allowed. Higher numbers are
louder.
3.3.7 Silence Suppression
When enabled, the 2757 will not transfer data when there is no voice detected from the
microphone. This can be useful to reduce the required network bandwidth. However, it can
cause the voice quality to degrade.
3.3.8 Ring Tone Type
The 2757 offers 5 different ringtones.
3.3.9 Voice Codec
The 2757 supports G.711 and G.729 codecs. Normally, the service provider will furnish this
information.
3.3.10 Forward Timer
This is the amount of time in seconds before a call is forwarded if Call Forward – No Answer is
activated.
3.3.11 Do Not Disturb
This performs the same function as pressing the DND button.