A transaction recording and rating method and apparatus rates communication transactions completed using one or more Carrier Switched Network Point Of Attachment (CSN POA) locations of a communication network. The network stores a unique code for each CSN POA location. The rating systems store rating...http://www.google.es/patents/US5185785?utm_source=gb-gplus-sharePatente US5185785 - Method and apparatus for recording and rating telecommunication transactions made over a communication network
Method and apparatus for recording and rating telecommunication transactions ...
