User's Manual

Table Of Contents
Parameters Description
Transport Protocol Set the line to use TCP or UDP for SIP transmission.
SIP Version Set the SIP version.
Caller ID Header Set the Caller ID Header.
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.
Enable user = phone Sets user = phone in SIP messages.
Enable SCA Enable/Disable SCA (Shared Call Appearance).
Enable BLF List Enable/Disable BLF List.
Enable DNS SRV
Set the line to use DNS SRV which will resolve the FQDN in
proxy server into a service list.
Keep Alive Type
Set the line to use dummy UDP or SIP OPTION packet to
keep NAT pinhole open.
Keep Alive Interval Set the keep alive packet transmitting interval
Sync Clock Time Time Sync with server
Enable Session Timer
Set the line to enable call ending by session timer
refreshment. 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.
Enable Rport Set the line to add rport to SIP headers.
Enable PRACK Set the line to support PRACK SIP message.
Keep Authentication
Keep the authentication parameters from previous
authentication.
Auto TCP
Using TCP protocol to guarantee usability of transport for SIP
messages above 1500 bytes.
Enable Feature Sync Feature Sync with server.
Enable GRUU Supports Globally Routable User-Agent URI (GRUU).
BLF Server
The registered server will receive the subscription package
from ordinary application 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.
BLF List Number
BLF List allows one BLF key to monitor the status of a group.
Multiple BLF lists are supported.
SIP Encryption
Enable SIP encryption such that SIP transmission will be
encrypted
67