OIGAA is FREE Telephony for Small Businesses. This means that all communication features are available without any charge while users reside on the Internet.

Unlimited Internet calls between employees and an unlimited number of extensions with all advanced PBX features, plus Skype and MSN communication. Run it for free without hidden costs.

  Unlimited calls to any OIGAA user
  Unlimited extensions and lines
  All advanced PBX features
  All communication features
  Calls to Skype and MSN messaging

for FREE