Internet Telephony, SIP Services and the SIP Switch
Live person-to-person communication is the next big usage of the Internet and SIP is the standard that will connect us all! Many IP telephony or VoIP services are starting to take over telephony from the old network, and this is just the beginning.

With SIP you can have all this:
Communication with all Internet connected SIP users for free!
Interoperability with the plain old telephone system (POTS)
Lower cost for telephony
Voice and video communication
Instant messaging
Presence - to see who is online
Email-like address as well as ordinary telephone number
The same telephone number/SIP address wherever you are
Software and hardware phones on your LAN
  ...and much more
Learn how YOU can benefit from SIP:
For the office For the family
For the IT Professional For the expatriate
 
  With many VoIP Services you only get:
  Somewhat lower rates
  Few (if any) of the other SIP benefits
  Free calls only to those who use the same
provider as you do
Get ALL benefits with the SIP Switch!
Drastically lower your costs - the ability to call all SIP users for free and make inter-
national calls to old phones at local rates.
All the SIP features - not only telephony.
PBX functionality - the best of the new IP world and the old telephony world.
Virtual foreign offices - one of the many extraordinary SIP Switch functions.
Read the SIP Switch Brochure: PDF