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Set the priority and availability of the codecs by adding or remove
them from the list.
Advanced Settings
Use Feature Code When this setting is enabled, the features in this section will not be
handled by the device itself but by the server instead. In order to
control the enabling of the features, the device will
to the server by dialing the number specified in each feature code
Enable Blocking Anonymous
Call
Set the feature code to dial to the server
Disable Blocking Anonymous
Call
Set the feature code to dial to the server
Call Waiting On Code Set the feature code to dial to the server
Call Waiting Off Code Set the feature code to dial to the server
Send Anonymous on Code Set the feature code to dial to the server
Send Anonymous Off Code Set the feature code to dial to the server
Enable Session Timer Set the line to enable call ending by session timer refresh.
The call session will be ended if there is not new session timer event
update received after the timeout period
Session Timeout Set the session timer timeout period
BLF Server The registered server will receive the subscription package from
ordinary application of BLF phone.
Enter the BLF server, if the sever does not support subscription
package, the registered server and subscription server will be
separated.
Keep Alive Type Set the line to use dummy UDP or SIP OPTION packet to keep NAT
pinhole opened
Keep Alive Interval Set the keep alive packet transmitting interval
Keep Authentication Keep the authentication parameters from previous authentication
Reject any incoming call without presenting caller ID
User Agent Set the user agent, the default is Model with Software Version.
Set the line to collaborate with specific server type
SIP Version Set the SIP version
Anonymous Call Standard Set the standard to be used for anonymous
Local Port Set the local port
Set the ring tone type for the line
Enable user=phone Sets user=phone in SIP messages.
Use Tel Call Set use telephone call
Auto TCP Using TCP protocol to guarantee usability of transport for SIP
messages above 1500 bytes
Enable Rport Set the line to add rport in SIP headers
Enable PRACK Set the line to support PRACK SIP message
DNS Mode Select DNS mode, A, SRV, NAPTR
Enable Long Contact Allow more parameters in contact field per RFC 3840
Enable Strict Proxy Enables the use of strict routing. When the phone receives packets
from the server it will use the source IP address, not the address in
via field.
Convert URI Convert not digit and alphabet characters to %hh hex code