User manual

(input) and DTMF gain (DTMF) of the second FXO port.

 Line6 Volume – To configure the output gain (voice), input gain (input) and

DTMF gain (DTMF) of the second FXO port.

 Echo Canceller – To enable or disable the echo cancellation function.

 Jitter Buffer – To configure the Min or Max delay for the Jitter Buffer. The

min is from 0ms and the max is 150ms.