Telephone cable/telephone wire/telephone cord Length:optional 6P2C/6P4C/6P6C Telephone cable/telephone wire/telephone cordLength:optional,6P2C/6P4C/6P6C1.Conductor:Adopt soft round copper ... material is up to the standard of GB88155.Indoor telephone cable and outdoor telephone cable,Type for HYV,HYY,HYYC Telephone cable/telephone wire/telephone cord