50
/ 68
Binding Period
STUN blinding period – STUN packets are sent at this interval to keep the
NAT mapping active.
SIP Waiting Time
Waiting time for SIP. This will vary depending on the network.
SIP Line Using STUN
(SIP1 or SIP2)
Use STUN
Enable/Disable STUN on the selected line.
TLS Certification File
Upload or delete the TLS certification file used for encrypted SIP transmission.
Note: the SIP STUN is used to achieve the SIP penetration of NAT, is the realization of a service,
when the equipment configuration of the STUN server IP and port (usually the default is 3478), and
select the Use Stun SIP server, the use of NAT equipment to achieve penetration.
8.3.4 Phone Setting
8.3.4.1 Features
In this web page, you can configure Hotline, Call Transfer, Call Waiting, 3 Ways Call, Black
List, white list Limit List and so on.