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Registration
Expiration
Set SIP expiration date.
SIP Proxy Server
Address
Enter the IP or FQDN address of the SIP proxy server.
Proxy Server Port
Enter the SIP proxy server port, default is 5060.
Proxy User
Enter the SIP proxy user.
Proxy Password
Enter the SIP proxy password.
Backup
Proxy
Server Address
Enter the IP or FQDN address of the backup proxy server.
Backup
Proxy
Server Port
Enter the backup proxy server port, default is 5060.
Basic Settings
Enable
Auto
Answering
Enable auto-answering, the incoming calls will be answered
automatically after the delay time
Auto
Answering
Delay
Set the delay for incoming call before the system automatically
answered it
Enable Hotline
Enable hotline configuration, the device will dial to the specific
number immediately at audio channel opened by off-hook
handset or turn on hands-free speaker or headphone
Hotline Delay
Set the delay for hotline before the system automatically dialed
it
Hotline Number
Set the hotline dialing number
Dial
Without
Registered
Set call out by proxy without registration
Enable Missed Call
Log
If enabled, the phone will save missed calls into the call history
record.
DTMF Type
Set the DTMF type to be used for the line
Use VPN
Set the line to use VPN restrict route
Use STUN
Set the line to use STUN for NAT traversal
Enable Failback
Whether to switch to the primary server when it is available.
Failback Interval
A Register message is used to periodically detect the time
interval for the availability of the main Proxy.
Signal Failback
Multiple proxy cases, whether to allow the invite/register
request to also execute failback.
Signal Retry Counts The number of attempts that the SIP Request considers proxy
unavailable under multiple proxy scenarios.
Codecs Settings
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
send feature code to the server by dialing the number specified
