Phone Network
31
Note: It works only if “static.sip.nat_turn.enable” is set to 1 (Enabled).
Permitted Val-
ues
String
Default Blank
Web UI Network->NAT->TURN->User Name
Parameter
static.sip.nat_turn.password
[2]
<y0000000000xx>.cfg
Description
It configures the password to authenticate to the TURN (Traversal Using Relays around NAT) server.
Example:
static.sip.nat_turn.password = yealink1105
Note: It works only if “static.sip.nat_turn.enable” is set to 1 (Enabled).
Permitted Val-
ues
String
Default Blank
Web UI Network->NAT->TURN->Password
[1]
X is the account ID. X=1-8.
[2]
If you change this parameter, the IP phone will reboot to make the change take effect.
Keep Alive Configuration
Yealink IP phones can send keep-alive packets to the NAT device for keeping the communication port open.
The following table lists the parameters you can use to configure keep alive.
Parameter
account.X.nat.udp_update_enable
[1]
<MAC>.cfg
Description
It configures the type of keep-alive packets sent by the IP phone to the NAT device to keep the com-
munication port open so that NAT can continue to function.
Permitted
Values
0-Disabled
1-Default (the IP phone sends UDP packets to the server).
2-Options (the IP phone sends SIP OPTIONS packets to the server).
3-Notify (the IP phone sends SIP NOTIFY packets to the server).
Default 1
Web UI Account->Advanced->Keep Alive Type
Parameter
account.X.nat.udp_update_time
[1]
<MAC>.cfg
Description
It configures the keep-alive interval (in seconds).
Example:
account.1.nat.udp_update_time = 30
Note: It works only if “account.X.nat.udp_update_enable” is set to 1, 2 or 3.
Permitted
Values
Integer from 15 to 2147483647