Method of operating a virtual private network
Method of optimum call distribution using an intelligent network
Method of overlaying virtual tree networks onto a message passin
Method of porting for use with local number portability
Method of providing centrex type operation using a PBX and a cen
Method of providing telecommunication services
Method of providing telecommunications services
Method of rerouting telecommunications traffic
Method of routing interlata network traffic
Method of routing interLATA network traffic
Method of routing interLATA network traffic
Method of routing universal international free telephone phone n
Method of signalling subscriber numbers in a telecommunications
Method of telephone signalling via data link
Method of universal communication and devices thereof
Method of using carrier information for enhanced call data proce
Method of volume screening signalling messages in a telecommunic
Method to provide an operator selection service as well as a...
Method, apparatus and computer program product for...
Method, exchange and telecommunications network for...