Config Guide

109
Voice Message Subscribe
Period
Set the interval of voice message notification subscription
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
DTMF SIP INFO Mode
Set the SIP INFO mode to send ‘*’ and ‘#’ or ‘10’ and ‘11’
Enable DND
Enable Do-not-disturb, any incoming call to this line will be rejected
automatically
Subscribe For Voice Message
Enable the device to subscribe a voice message waiting
notification, if enabled, the device will receive notification from the
server if there is voice message waiting on the server
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.
Video Codecs
Select video code to preview video.
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 in each feature
code field.
Enable DND
Set the feature code to dial to the server
Disable DND
Set the feature code to dial to the server
Enable Call Forward
Set the feature code to dial to the server