Prestige 2302 Support Notes
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Which codec should I choose?
Choose a codec that is also supported on the remote VoIP host since both ends of the VoIP connection must use the same codec. In general, a codec with low bandwidth consumption and high voice quality is a good codec.
What do I need in order to use SIP?
The following lists the minimum requirement for running VoIP applications.
1.A
2.A PC with VoIP software installed or an external VoIP gateway (such as an ATA or the Prestige 2602 VoIP station router).
3.An account from a VoIP services provider (such as an ITSP). The account can be configured to recognize your calls automatically, or you can require the users to enter their assigned unique account numbers.
I am unable to register to a SIP server
If you are unable to register to a SIP server, do the following.
1.Make sure the Internet connection is up and that you are able to ping the SIP register server from the LAN behind the Prestige. If your register server uses a domain name, make sure DNS name can be resolved. If you are using a static WAN IP address, make sure the DNS server is configured correctly on your Prestige.
2.Make sure the SIP account is correct and the password is entered correctly. They may be
3.Check if there is a NAT router install before the Prestige which is a VoIP station gateway. It is NOT recommended that you install a NAT router in front of the Prestige as this may cause unexpected problems. If you still want to install a NAT router, use a VoIP ATA (VoIP Analog Telephone Adapter), such as the Prestige ATA series, instead.
I can register to the SIP server but cannot establish a call
If you are able to register to the SIP server but cannot make a call through the Prestige, it is very likely there a NAT router or a firewall blocks the traffic.
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