Linksys SPA1001 Administrator User Manual page 102

SIP Tab
EXT RTP Port Min
NAT Keep Alive Intvl
Linksys IP Phone Administrator Guide
5-18
External port mapping number of the RTP Port Min. number. If this value is not zero, the
RTP port number in all outgoing SIP messages is substituted for the corresponding port
value in the external RTP port range.
The default is 0.
Interval between NAT-mapping keep alive messages.
The default is 15.
Chapter 5 Linksys ATA Field Reference
Document Version 3.2