with server
Click to talk
Set click to Talk (need practical software support).
Transport Protocol
Set transport protocols, TCP or UDP or TLS;
Use VPN
Phone use vpn ip to communicate
Enable DND
When the type of DND feature is line, enable the
DND feature for a line
SIP Global Settings
Strict Branch
Enable the Strict Branch, the value of the branch
must be in the beginning of z9hG4k in via field of
the invite sip message received, or the phone won’t
response to the invite sip message.
Notice: the deployment will become effective in all
sip lines
Enable Group
Enable Group by selecting it, then the phone enable
the sip group backup function
Notice: the deployment will become effective in all
sip lines
Registration Failure
Retry Time
Specify the registration failure retry time, if the
phone register failed, the phone will register again
after registration failure retry time.
Notice: the deployment will become effective in all
sip lines.
8.3.3.2
Stun Config
In this web page, you can config SIP STUN.
STUN: By STUN server, the phone in private network could know the type of
NAT and the NAT mapping IP and port of SIP. The phone might register itself
to SIP server with global IP and port to realize the device both calling and
being called in private network.
