Draytek Vigor2910 Series User Manual page 160

Authentication ID
Password
Expiry Time
NAT Traversal Support
Ring Port
Ring Pattern
Below shows successful SIP accounts for your reference.
Check the box to invoke this function and enter the name or
number used for SIP Authorization with SIP Registrar. If this
setting value is the same as Account Name, it is not necessary
for you to check the box and set any value in this field.
The password provided to you when you registered with a SIP
service.
The time duration that your SIP Registrar server keeps your
registration record. Before the time expires, the router will
send another register request to SIP Registrar again.
If the router (e.g., broadband router) you use connects to
internet by other device, you have to set this function for your
necessity.
None – Disable this function.
Stun – Choose this option if there is Stun server provided for
your router.
Manual – Choose this option if you want to specify an
external IP address as the NAT transversal support.
Nortel – If the soft-switch that you use supports nortel
solution, you can choose this option.
Set VoIP1, VoIP 2 or ISDN as the default ring port for this
SIP account. If you choose either VoIP1 or VoIP2, the ISDN
selection will be dimmed, vice versa.
Choose a ring tone type for the VoIP phone call.
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Vigor2910 Series User's Guide