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WP810 Administration Guide
Version 1.0.7.83
Register Before DNS
SRV Failover
This option allows to choose the behavior for registering before DNS SRV
Fail-over.
If set to “No”, a REGISTER request will not be initiated when a server
failover occurred under DNS SRV mode.
If set to “Yes”, a REGISTER request will be initiated when a server
failover occurred under DNS SRV mode.
Configures the primary IP address where the phone sends DNS query to when
“Use Configured IP” is selected for DNS mode.
Configures the backup IP1 address where the phone sends DNS query to when
“Use Configured IP” is selected for DNS mode
Configures the backup IP2 address where the phone sends DNS query to when
“Use Configured IP” is selected for DNS mode
This parameter configures whether the NAT traversal mechanism is activated.
Users could select the mechanism from No, STUN, Keep-alive, UPnP, Auto or
VPN. The default setting is “No”. If set to “STUN” and STUN server is configured,
the phone will route according to the STUN server. If NAT type is Full Cone,
Restricted Cone or Port-Restricted Cone, the phone will try to use public IP
addresses and port number in all the SIP&SDP messages. The phone will send
empty SDP packet to the SIP server periodically to keep the NAT port open if it is
configured to be “Keep-alive”. Configure this to be “No” if an outbound proxy is
used. “STUN” cannot be used if the detected NAT is symmetric NAT. Set this to
“VPN” if any type of VPN tunneling is used.
Adds the Proxy-Required header in the SIP message. It is used to indicate proxy-
sensitive features that must be supported by the proxy. Do not configure this
parameter unless this feature is supported on the SIP server.
Account/SIP Settings
If the phone has an assigned PSTN telephone number, this field should be
set to “User=Phone”.
Then a “User=Phone” parameter will be attached to the Request-Line and
“TO” header in the SIP request to indicate the E.164 number.
If set to “Enable”, “Tel:” will be used instead of “SIP:” in the SIP request. The
default setting is “Disable”.
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