Telephone Cable, Indoor use, twisted, 2-core,ISO/IEC 11801, ANSI/TIA/EIA-568AA. Product Name: Twisted-pair Indoor Telephone WireModel NO.: HBYV- ... JOverview: Description: Indoor use, twisted, 2-coreStandards: ISO/IEC 11801 ... (ISDN), ATM 155 Mbps, 100Mbps TPDDI, Fast Ethernet, etc. Twisted-pair Indoor Telephone Wire