136
STUN Server
Address
Set your SIP STUN Server IP address.
STUN Server
Port
Set your SIP STUN Server IP port.
STUN Binding
Period
Set STUN Binding Period . If NAT server finds that a
NAT mapping is idle after time out, it will release the
mapping and the system need send a STUN packet to
keep the mapping effective and alive.
SIP Waitting
Time
When use stun, call waiting for the response of the stun
overtime time.
Set Sip Line Use Stun
Use Stun
Enable / disable SIP STUN.
Note:
SIP STUN is used to realize SIP penetration to NAT. If your phone
configures STUN Server IP and Port (default is 3478), and enable SIP Stun,
you can use the ordinary SIP Server to realize penetration to NAT.
Phone
MEDIA
MEDIA interface
The following table shows the number of DSP configuration page
configuration items and their meanings:
Field name Explanation
Multi-media Video Phone UTT-990 User Manual