LevelOne WBR-3470 - Manual (Page 97)

4.3.8.4 Call Control
Call control setting Menu config the codec and tone for different Telecomm environment.
Dial Timeout: The IAD will automatically cancel a call out if the callee does not pick up
the phone within the set amount of time.
Ring Timeout: The IAD will automatically reject a call in if the call is not picked up within
the set amount of time.
First Digit Timeout: Specifying the maximum duration for the first digit to be keyed in.
Inter Digit Timeout: Specifying the maximum duration between successive digits before
the dialed in numbers are sent out.
DTMF Method: Please choose RTP Relay, Voice or SIP Info.
Echo Cancel: Enable the echo-cancel to generate background noise to fill silent gaps
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