DTMF Setting
You can set the Out of Band DTMF and Send DTMF SIP Info Enable/Disable in this page. To change this setting, please follow your VoIP Service Provider’s information. When you finished the setting, please click the Submit button.
•RFC 2833: Click this button to send
•Inband DTMF (IN AUDIO): Click this button to send
•Send DTMF SIP Info: This field is configurable when RFC 2833 is selected as the DTMF relay mechanism. Specify the payload number that needs to be used for DTMF information negotiated in SDP during SIP signaling.
RPort Function
You can enable or disable the RPort feature in this page. To change this setting, please follow the recommendation of your VSP.
QoS
You can configure the Hold by RFC and Voice/SIP QoS in this page.
The QoS setting is to set the voice packets priority. If you set the value higher than 0, then the voice packets will get the higher priority to the Internet. But the QoS function still needs to cooperate with the others Internet devices.
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