Cisco and Vocaltec Develop H.323 Interoperability 8. It will also offer advancements in scalability and reliability. The Passport 15000 is also designed as a backbone upgrade to existing Passport enterprise WANs. By early 2000, Nortel will introduce a Passport 15000 Core Shelf system with capacity scaling from 160 Gbps to terabit speeds for aggregating multiple Passport 15000 Multiservice shelves into carrier backbones. Sprint will participate in customer trials for the Passport 15000 multiservice shelf beginning in Q1 1999.
Planning is under way to integrate the two carriers' network facilities.
The Concert ATM service is available in both CBR and VBR-nrt at rates from 1.5 Mbps to 45 Mbps. Concert uses Cisco BPX equipment for its ATM services. UPC already has more than 20,000 cable telephony lines installed in and around Amsterdam. The figure represents the equivalent of about one billion floppy disks. Conexion said its daily download average is between four to six terabytes of data.