Billion BiPAC 7401VP User Manual page 79

Setting for Phone Port 1
Registrar Address(or Hostname): Indicate the SIP registrar IP address.
Registrar Port: Specify the port of the SIP registrar on which it will listen for register requests from VoIP
device.
Expire: Expire time for the registration message sending.
User Domain/Realm: Set different domain name for the SIP proxy server.
Outbound Proxy Address: Indicate the SIP outbound proxy server IP address. This parameter is very
useful when VoIP device is behind a NAT.
Outbound Proxy Port: Specify the port of the SIP outbound proxy on which it will listen for messages.
How to register to SIP Server
1) In Wizard Section, select your SIP Service Provider and input information in the filed of Phone
Number, Authentication Username and Authentication Password.
2) In Wizard Section, click Apply button to apply the settings.
3) In General Settings, make sure general SIP information are correctly inserted.
4) In General Settings, click Apply button to apply the settings.
5) In General Settings, click Synch Now button to register the account(s) with your SIP server.
Advanced – Parameters
VoIP through IP Interface: IP Interface decides where to send/receive the voip traffic; it includes: ipwan
and iplan. Easy way to select the interface is to check the location of the SIP server. If it locates some
where in the Internet then select ipwan. If the VoIP SIP server is on the local Network then select iplan.
Voice Frame Size: Frame size is available from 10ms to 60ms. Frame size meaning how many
milliseconds the Voice packets will be queued and sent out. It is ideal to have the same frame size in
both of Caller and Receiver.
PSTN Auto-fallback: Whenever VoIP SIP responses error and error code matching with the codes in
the Edit section, the VoiP calls will automatically fallback to PSTN. In the other word, the call will be
called via the PSTN when VoIP SIP returns an error code.
Appendix A: Product Support and Contact Information
VoIP/(802.11g) ADSL2+ Router
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