Default Value
3478
Web User Interface Reference
STUN_2NDSERV_ADDR
Value Format
STRING
Description
Specifies the IP address or FQDN of the secondary STUN server.
Value Range
Max. 256 characters
Default Value
Empty string
STUN_2NDSERV_PORT
Value Format
INTEGER
Description
Specifies the port number of the secondary STUN server.
Value Range
1–65535
Default Value
3478
STUN_INTVL
Value Format
INTEGER
Description
Specifies the interval of the sending binding request.
Value Range
60–86400
Default Value
300
Web User Interface Reference
SIP_ADD_RPORT
Value Format
BOOLEAN
Description
Specifies whether to add the 'rport' parameter to the top Via header
field value of requests generated.
Value Range
•
Y
: Enable Rport
•
N
: Disable
Default Value
N
Web User Interface Reference
PORT_PUNCH_INTVL
Value Format
INTEGER
Description
Specifies the interval, in seconds, between transmissions of the Keep
Alive packet in order to maintain the NAT binding information for SIP
packet.
Value Range
0, 10–300
0: Disable
Default Value
0
Web User Interface Reference
5.3.21 NAT Settings
266
Administrator Guide
Document Version: 2017-07