XONTEL XT-16W, User Manual

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C.
Advanced Settings

Session Timer Mode : Enable or disable SIP session timer for the phone SIP account.

Session Expires : SIP session expiration time for the phone SIP account in seconds.

Session MinSE : SIP minimum session refresh interval for the SIP account in seconds.

Use SRTP Mode : This mode encrypt audio streams to prevent eavesdropping on phone calls.

100 REL : Enable reliability to be offered to SIP provisional responses (1xx series).

Transport Protocol : Set the SIP line account transport protocol (UDP, TCP and TLS).

MWI Subscription : Enable or disable the phone to send subscribe message to the
server for message summary updates.

Enabled Missed Call Log : Enable or disable the phone missed call log.

Only Receive ServerCalls : If you enable this option the phone will receive the calls that
coming through the SIP server only.

DTMF Type : Set the DTMF type of the phone SIP account.

Keep Auth : This needs to be supported with the server. The phone will save the first
authentication information in this address, and take the authentication information directly
in the future conversation.

DNS SRV : This will give SIP device the ability to lookup the SIP server by domain name.

UDP Keep-alive Message : This option allow the same UDP connection for the SIP
account instead of opening a new one with each new request.

UDP Keep-alive Interval : Set the SIP line account UDP keep alive interval.

Local Port : Set the phone SIP port number.

RTP Port : Set the phone RTP port number.

MWI Cycle : Set the message waiting indicator cycle time in seconds.

Register Cycle : Set the register cycle time in seconds.

Dial Plan : Set the phone dial plan.