Yealink CP969, Administrator'S Manual

Page: 113 / 868

Setting Up Your System
91
3.
Enter the desired TLS SIP port in the
TLS SIP Port
field.
4.
Click
Confirm
to accept the change.
To configure NAT traversal and STUN server via phone user interface:
1.
Tap
Settings
->
Advanced
(default password: admin) ->
Network
->
NAT
->
NAT Status
.
2.
Tap the
On
radio box in the
NAT Status
field.
3.
Enter the IP address or the domain name of the STUN server in the
STUN Server
field.
4.
Enter the port of the STUN server in the
STUN Port
field.
5.
Tap to accept the change.
The phone prompts you to reboot the phone.
6.
Tap
OK
to reboot the phone.
The settings will take effect after a reboot.
To configure NAT traversal for a specific account via phone user interface:
1.
Tap
Settings
->
Advanced
(default password: admin) ->
Accounts
.
2.
Tap the desired account.
3.
Tap the
NAT Status
field.
4.
Tap
Enabled
in the pop-up dialog box.
5.
Tap to accept the change.
Keep Alive
IP phones can send keep-alive packets to the NAT device for keeping the communication port
open.