SIP/NAT settings

SIP settings

Transport: Choose type of transport, TCP ot UDP.

Session timer: Enable session timer.

Update: Enable/disable session update.

PRACK: Enable/disable usage of PRACK.

NATPR: Enable/disable usage NATPR.

Flush button same account: Enable/disable usage of the same account for outgoing calls.

Local SIP port: Field to enter SIP port for registration.

Memory key: Field to enter direction to call when press INFO button on the handset.

Emergency call settings

Emergency call number: Field to enter direction to call when you pick up the handset for emergenct call.

Emergency call timeout: Choose timeout before call an emergency number.

NAT settings

NAT mode: Enable/disable NAT.

STUN address: IP address or domain name of the STUN server.

STUN port: Field to enter STUN port.

RTP port start: Field to enter start RTP port.

RTP port stop: Field to enter end RTP port.