DPH-C160S – DECT Cordless VoIP Phone – User Manual
Server FQDN
Use this drop-down menu to Enable or Disable the Server Fully
Qualified Domain Name (FQDN) function. This is disabled when
the SIP URL domain name is different from the SIP proxy server
domain name. The phone will then use the domain name in
Domain Name
field as part of SIP URL but send and receive SIP
messages through the SIP proxy server defined in the
Service
Domain
field.
IP Address
Enter the IP address of the SIP Server in this field.
Domain Name
Enter the domain name corresponding to the IP address entered
above in this field.
Port
Enter the SIP server’s listening port for the SIP Server in this
field. Leave this field set to the default if your VoIP service
provider did not give you a server port number for the SIP
server.
Outbound Proxy
State
Allows you to Enable or Disable the use of an Outbound Proxy
for all VoIP traffic. Basically acts as a relay or backup for the
main SIP server.
Outbound Proxy
Server FQDN
See Server FQDN for more information.
Outbound Proxy IP
Address
See IP Address for more information.
Outbound Proxy
Domain Name
See Port for more information.
Outbound Proxy Port
See Domain Name for more information.
Use DNS-SRV
Enables you to Enable or Disable the DNS-SRV function.
DNS-SRV Query
Domain
The Domain Name of DNS-SRV server.
Service Domain
Enter the SIP service domain name in this field.
URL Format
Select
SIP-URL
to have the router include the domain name
with the SIP number in the SIP messages that it sends.
Select
TEL-URL
to have the router use the SIP number without
a domain name in the SIP messages that it sends.
User Parameter
Phone
You can set this to Enabled or Disabled. This determines whether
or not the phone number is appended to the information
forwarded to your SIP server. Your VoIP service provider will
instruct you on which setting to use.
Timer T2
Use the drop-down menu provided to select the desired time
increment.
Initial Unregister
You can set this to
Enabled
or
Disabled
. The default is
Enabled
.
Register Expiration
Use this field to set how long the router will wait before sending
a repeat registration request if a registration attempt fails or
there is no response from the registration server.
Session Expires
This field will set the longest time that the router will allow a SIP
session to remain idle (without traffic) before dropping it.
Min-SE
When two SIP devices negotiate a SIP session, they must
negotiate a common expiration time for idle SIP sessions. This
field sets the shortest expiration time that the router will accept.
The router checks the session expiration values of incoming SIP
INVITE requests against the minimum session expiration value
that you enter here. If the session expiration of an incoming
INVITE request is less than this value, the router negotiates with
the other SIP device to increase the session expiration value to
match the minimum session expiration value.
Session Expires
This determines which side of an expired call session will initiate
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