Zyxel V301-T1 [116/240] Advanced setup continued

Zyxel V301-T1 [116/240] Advanced setup continued
Chapter 10 SIP Account Setup
V300 Series User’s Guide
116
Server
address
Enter the IP address or domain name of the NAT router.
Server Port Enter the NAT routers listening port, if your network administrator gave
you one. Otherwise, keep the default value.
Outbound Proxy
Enable Select this if your service provider has a SIP outbound server to handle
voice calls. This allows the V300 to work with any type of NAT router
and eliminates the need for STUN or a SIP ALG. Turn off any SIP ALG on
a NAT router in front of the V300 to keep it from retranslating the IP
address (since this is already handled by the outbound proxy server.
Server
address
Enter the IP address or domain name of the SIP outbound proxy server.
Server Port Enter the outbound proxy server’s listening port, if your VoIP service
provider gave you one. Otherwise, keep the default value.
NAT Keep Alive
Enable Select this to stop NAT routers between the V300 and SIP server (a SIP
proxy server or outbound proxy server) from dropping the SIP session.
The V300 does this by sending SIP notify messages to the SIP server
based on the specified interval.
Keep Alive
Interval
Enter how often (in seconds) the V300 should send SIP notify messages
to the SIP server.
MWI (Message Waiting Indication)
Enable Select this if you want to hear a waiting (beeping) dial tone on your
phone when you have at least one voice message. Your VoIP service
provider must support this feature.
Expiration
Time
Keep the default value, unless your VoIP service provider tells you to
change it. Enter the number of seconds the SIP server should provide
the message waiting service each time the V300 subscribes to the
service. Before this time passes, the V300 automatically subscribes
again.
Hot Line
Configure this option to have the V300 automatically dial the Hotline
Number after the line is off the hook for the duration specified in the
Delay Period option. This is especially useful for dialing emergency
numbers.
Enable Select this to enable the Hot Line feature.
Delay Period
before
Hotline
Activated:
Enter the duration the phone can remain off the hook before
automatically dialing the hotline number. You can set the delay from 1
to 15 seconds.
Hotline
Number:
Enter the number to be dialed once the V300 has surpassed the delay
period.
Call Forward
Enable Select this if you want the V300 to use the call forwarding rules you set
up in the VoIP > Phone Book > Call Forward screen.
RingBack Active
Table 28 VoIP > SIP > SIP Settings > Advanced Setup (continued)
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