D-Link DPH-850S User Manual page 108

Input the phone number assigned by your VoIP service
Phone
provider. Phone will not register if there is no phone number
Number
configured.
Enable
Start to register or not by selecting it or not.
Register
Display
Set the display name.
Name
Set proxy server IP address. (Usually, Register SIP Server
configuration is the same as Proxy SIP Server. But if your
Proxy Server
VoIP service provider give different configurations between
Address
Register SIP Server and Proxy SIP Server, you need make
different settings)
Proxy Server
Set your Proxy SIP server port.
Port
Proxy
Input your Proxy SIP server account.
Username
Proxy
Input your Proxy SIP server password.
Password
Backup
Phone backup server address, if the primary server is not
Server
successfully registered then enabled the backup server.
Address
Backup
Configure the backup server port.
Server port
Set the sip domain if needed, otherwise this VoIP phone will
use the Register server address as sip domain automatically.
Domain
Realm (Usually it is same with registered server and proxy server
IP address).
Advanced Set
Signal
Enable/Disable Signal Encrypt.
Encode
Signal Key Set the key for signal encryption.
Enable/Disable RTP Encrypt.
RTP Encode
Set the key for RTP encryption.
Media Key
Enable BLF
Enable/Disable BLF List.
List
BLF List
Input the BLF List number.
Number
If some servers refuse to register with too short interval time
and have no packets sending to device in private network to
NAT Keep
keep NAR alive, you could set this function ON. It needs to
Alive
set the keep alive interval time less than the NAT server's.
NAT Keep
Set examining interval of the server, default is 60 seconds.
Alive
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