User's Manual

90
of BLF phone.
Please 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
Blocking Anonymous Call
Reject any incoming call without presenting
caller ID
User Agent
Set the user agent, the default is Model with
Software Version.
Specific Server Type
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
Ring Type
Set the ring tone type for the line
Enable user=phone
Sets user=phone in SIP messages.
Use Tel Call
Set use tel 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
Use Quote in Display Name
Whether to add quote in display name, i.e.
“Fanvil” vs Fanvil
Enable GRUU
Support Globally Routable User-Agent URI
(GRUU)