Welcome To The Sip World - Snom 4S Administrator's Manual

Welcome to the
SIP is becoming more and more accepted in the area of VoIP.
Many companies are working on SIP solutions and making great products
that will make telephony much easier and better.
SIP without a proxy makes no sense. Entering IP addresses to find
another user cannot be the future of telephony. Locating http web content
and finding email users has become a part of todays communication
behavior and sure will be part of telephony in the near future.
snom 4S stands for "snom soft switch for small and medium
enterprises". We started the work on this proxy with the goal to give
business a feature rich, robust and simple to use core component. Over
time, we found that it can also be used in other environments like Internet
telephony service provider. We added features that are necessary for
billing and worked on remote management support. If you set up a server
farm, you can create a robust solution that will continue operations even
under adverse conditions.
This product is a proxy/location server with built-in registrar
which means this software is also responsible for locating users. Needless
to say, the proxy is stateful, which means that is is capable of finding
users on a priority based schedule. However, for simplicity we call ist just
"proxy".
Features like follow me and group calling are supported. As long
as the involved user agents support features, the proxy will he happy to
pass them through. That also includes instant messaging and presence
information. The proxy supports "store & forward", when a user is not
logged in he or she may receive the message after loggin in. However
media services like mailbox and music on hold are not part of the software.
You should use a media server for this.
Interoperability is important to us. We have tried to stick to the
SIP standard as well as possible and tested the phones of other vendors.
SIP World!
snom technology AG • 3