3.6.5 DTMF Settings
User can setup the RFC2833 Out-Band DTMF, In-band DTMF and Send DTMF SIP Info (2833) in this page. To
change this setting, please follow your ISP or SIP server information. When you finished the setting, please click
the Submit button. If there is nothing need to change, please click the Save Change Item in the left side, then click
the Save button. The change you made will save into the system and the system will reboot automatically.
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