System and method for providing an enhanced audio quality...

System and method for providing call management services in...

System and method for providing calling name services with...

System and method for providing communication on a wide area net

System and method for providing communications services

System and method for providing competitive access telephone ser

System and method for providing data connections between an...

System and method for providing intercept of international...

System and method for providing local number portability service

System and method for providing telephony services to remote...

System and method for providing telephony services to remote...

System and method for providing telephony services to remote...

System and method for providing telephony services to remote...

System and method for re-routing incoming calls

System and method for redirecting control of in-band signaling

System and method for redirecting control of in-band signaling

System and method for redirecting control of in-band signaling

System and method for rerouting data calls to internet...

System and method for routing calls

System and method for routing calls across call managers...