Cordless Phones
100m Telephone/Communication Cable - 6 Pair 12 Core/Way – Multiline/Multicore Wire Reel – IDC Install Intercom Phone Slave System
No. of Cores: 12 Conductor Material: Copper Clad Steel Max Working Voltage 80V
https://www.bizrate.co.uk/cordlessphones/100m-telephone-communication-cable-6-pair-oid36025661117.html