Configuration File Reference SIP_USER_AGENT (Page 269)
4.5.1.2 NAT Identity
Enable Rport (RFC 3581)
Description Selects whether to add the 'rport' parameter to the top Via header field
value of requests generated.
Value Range
• Yes
• No
Default Value No
Configuration File Reference SIP_ADD_RPORT (Page 268)
Enable Port Punching for SIP
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
Configuration File Reference PORT_PUNCH_INTVL (Page 268)
Enable Port Punching for RTP
Description Specifies the interval, in seconds, between transmissions of the Keep
Alive packet in order to maintain the NAT binding information for RTP
packet.
Value Range 0, 10–300
0: Disable
Default Value 0
Configuration File Reference RTP_PORT_PUNCH_INTVL (Page 268)
Document Version 2017-07 Administrator Guide 131
4.5.1 SIP Settings