Methods and systems for billing and routing local toll-free...

Methods and systems for collecting and processing signaling...

Methods and systems for detecting and mitigating intrusion...

Methods and systems for enabling charging land-line...

Methods and systems for identifying calls connected without...

Methods and systems for making telephone calls

Methods and systems for making telephone calls

Methods and systems for providing on-line bills for use in...

Methods and systems for providing usage pattern service for...

Methods and systems for providing usage pattern service for...

Methods and systems for using the public switched telephone...

Methods and systems to connect consumers to information

Methods and systems to connect consumers to information

Methods for avoiding cherry picking in telecommunications...

Methods for providing prepaid telephony service via an...

Methods for providing prepaid telephony service via an...

Methods for providing prepaid telephony service via an...

Methods for reconciling discrepancies in circuit information...

Methods, systems and computer program products for...

Methods, systems, and computer program products for...