Linksys Key System Parameters - Cisco SPA301 Administration Manual

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
EXT RTP Port Min
NAT Keep Alive Intvl
Redirect Keep Alive

Linksys Key System Parameters

Parameter
Linksys Key System
Multicast Address
Key System Auto
Discovery
Description
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.
Defaults to blank.
Interval between NAT-mapping keep alive
messages.
Defaults to 15.
If enabled, the IP phone redirects the keepalive
message when SIP_301_MOVED_PERMANENTL Y
is received as the registration response.
Description
Enable or disable the Linksys Key System on the
IP phone.
Defaults to yes.
The multicast address is used by the
Cisco SPA9000 to communicate with the
Cisco SPA IP phones.
Defaults to 224. 1 68. 1 68. 1 68:6061.
Enables or disables auto discovery of the call
control server (for example, the Cisco SPA9000).
Disable this feature for teleworkers or other
scenarios where multicast does not work.
A
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