A system and a method for determining redirection attempts in an IPN (Intelligent Preferred Network) while taking into account roaming VLR parameters. The system utilizes per-VLR roaming statistics to improve decisions regarding redirection attempts, thus further optimizing the IPN success ratio. ...http://www.google.de/patents/US20060079225?utm_source=gb-gplus-sharePatent US20060079225 - VLR roaming statistics for IPN (intelligent preferred network)
