Linksys SPA 900 Series Manual De Usuario

Some of the parameters in this section do not apply to the WIP310 wireless phone. None of the following 
parameters apply to the SPA901.

Share Ext

Indicates whether this extension is to be shared with other stations or private. If the 
extension is not shared, then a call appearance assigned to this extension is not shared, 
regardless the setting of <Share Call Appearance> for that call appearance. If the 
extension is shared, then whether or not a call appearance assigned to this extension is 
shared follows the setting of <Share Call Appearance> for that call appearance. The 
choices are shared or private. 

Defaults to shared. 

Shared User ID

The user identified assigned to the shared line appearance. 

Subscription Expires

The subscription time with the SIP proxy (SPA9000). 

Defaults to 60 seconds.

NAT Mapping Enable 

To use externally mapped IP addresses and SIP/RTP ports in SIP messages, select yes. 
Otherwise, select no.

Defaults to no.

NAT  Keep  Alive Enable 

To send the configured NAT keep alive message periodically, select yes. Otherwise, select 
no.

Defaults to no.

NAT Keep Alive Msg 

(Not applicable to SPA901)

Enter the keep alive message that should be sent periodically to maintain the current NAT 
mapping. If the value is $NOTIFY, a NOTIFY message is sent. If the value is $REGISTER, a 
REGISTER message without contact is sent.

Defaults to $NOTIFY.

NAT Keep Alive Dest 

(Not applicable to SPA901)

Destination that should receive NAT keep alive messages. If the value is $PROXY, the 
messages are sent to the current or outbound proxy.

Defaults to $PROXY.