Proxy Server
Address
Set proxy server IP address
（
Usually, Register SIP
Server configuration is the same as Proxy SIP
Server. But if your VoIP service provider give
different configurations between Register SIP
Server and Proxy SIP Server, you need make
different settings.
）
Proxy Server Port
Set your Proxy SIP server port.
Proxy Username
Input your Proxy SIP server account.
Proxy Password
Input your Proxy SIP server password.
Domain Realm
Set the sip domain if needed, otherwise this VoIP
gateway will use the Register server address as sip
domain automatically. (Usually it is same with
registered server and proxy server IP address).
Port Select
To select port for SIP accounts (port1 corresponds
FXS1, port2 corresponds FXS2).
Enable Register
Start to register or not by selecting it or not.
Register Expire
Time
Set expire time of SIP server register, default is 60
seconds. If the register time of the server requested
is longer or shorter than gateway configured time,
the gateway will change automatically the time into
the time recommended by the server, and register
again.
NAT Keep Alive
Interval
Set examining interval of the server, default is 60
seconds
User Agent
Set the user agent if have, the default is VoIP Phone
1.0
DTMF Mode
Select DTMF sending mode, there are three modes:
z
DTMF_RELAY
z
DTMF_RFC2833
z
DTMF_SIP_INFO
Different VoIP Service providers may provide
different modes.
Media Key
Set the key for RTP encryption
Local port
Set sip port of each line
RFC Privacy
Edition
Set Anonymous call out safely; Support
RFC3323and RFC3325;
Transfer Expire
Time
For the gateway supports the transfer of certain
special features server, set interval time between
sending “bye” and hanging up after the phone
transfers a call.
Enable Keep
Authentication
Enable/Disable Keep Authentication System will
take the last authentication field which is passed the
authentication by server to the request packet. It will
decrease the server’s repeat authorization work, if it
