Fanvil G200S, User Manual, Page: 29 / 41

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MWI Number
Configures the MWI number
，
achieve Listen to achieve sip voicemail notification
and listening .
Outgoing Call
Without
Registration
If you configure this item, you can also call through a proxy server without
registration.
Blocking
Anonymous Call
Configures blocking anonymous call.
Transfer Timeout
In order to adapt a platform, when you make the attended transfer and hang up,
the session will end after the expire time , the device will send ‘bye’ initiatively;
the default is 0(when you hang up ,the device will send a BYE to end the session
immediately ).
Response Single
Codec
As the called, only in response to the supported Codec.
Use STUN Configures enable/disable the SIP STUN.
Registration
Expiration
Configures the SIP server registration expiration time, defaults 3600 seconds. If
the server requires registration expiration time is more than or less than the
device configuration time, the device can be automatically changed as the server
recommendation expiration time and re-register.
Keep Alive Interval
Configures the server detection time interval, if the gateway opens SIP detection
server function, the gateway will detect whether the server responds every
configured time.
Keep NAT Alive
Configures automatic detection server. Some servers prohibit the registration
time is too short, but there have not packet (maintain the device terminal NAT
actively) to send, you can open this function and set the interval to send this
package is less than NAT duration of time.
Keep
Authentication
Enable/Disable Keep Authentication System will take the last authentication field
which is passed the authentication by server to the request packet. It will
decrease the server’s repeat authorization work, if it is enable.
Enable Strict Proxy
Matches with a special server (when the return message ,the device will use the
other party source address ,no longer use the address in via field)
Enable DNS SRV When you open it ,the device will support RFC2782
Enable Rport
Configures if the device support RFC3581,rport mechanism is used in the
Intranet, need be supported by SIP server for maintaining the NAT connection of
Intranet devices and Extranet devices
Enable PRACK
Configures whether let the device support the SIP PRACK function (mostly used
for ring tones), we recommend you to use the default configuration
Long Contact Configures Contact field carries more parameters; the item is used with SEM