
Configuring Analog Extensions with AudioCodes Gateways Page 14 of 25
13. Select VoIP > GW and IP to IP > DTMF and Supplementary > DTMF & Dialing.
Figure 19: Configure DTMF and dialing settings
14. Select VoIP > GW and IP to IP > DTMF and Supplementary > Supplementary Services.
Figure 20: Disable hold, transfer, and call waiting
• If your MaxCS extension length is 3 digits, set Digit Mapping Rules to
911|##|[1-7]XX|#XX|9[2-9]XXXXXX|91[2-9]XXXXXXXXX|XX.T
• If your MaxCS extension length is 4 digits, set Digit Mapping Rules to
911|##|[1-7]XXX|#XX|9[2-9]XXXXXX|91[2-9]XXXXXXXXX|XX.T
• Set Declare RFC 2833 in SDP to Yes.
• Set 1st Tx DTMF Option to RFC 2833.
• Set RFC 2833 Payload Type to 101.
• Set Hook-Flash Option to INFO (NetCentrex).
• Set Enable Hold to Disable.
• Set Enable Transfer to Disable.
• Set Enable Call Waiting to Disable.
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