Method and system for determining a least cost path for...
Method and system for displaying customer information
Method and system for displaying customer information
Method and system for dynamic tariffing and billing
Method and system for ensuring the security of telephone...
Method and system for facilitating collection of subscriber...
Method and system for generating a billing record
Method and system for generating a billing record
Method and system for generating a billing record
Method and system for generating a billing record
Method and system for generating a billing record
Method and system for generating a user's...
Method and system for global communications network management
Method and system for global communications network...
Method and system for global telecommunications network...
Method and system for implementing calling-party-pays...
Method and system for implementing charging communication...
Method and system for initiating conversations between...
Method and system for managing the duration and cost of a...
Method and system for measuring usage of advanced...