RCA RC926 Wireless Phone Jack System White RJ-11 VoIP Female Jack Adapter RCA RC926 Wireless Phone Jack System White RJ-11 VoIP Female Jack Adapter Connectivity: RJ-11 phone jack, wireless jack link Includes: Base unit, extension jack, 6 ft. phone cord, user manual (factory sealed packaging) Features: Ideal for VoIP (Voice over IP), built-in surge suppression, expandable system to add additional extension jacks, works with corded phones, cordless phones, answering machines and fax machines, compatible with call forwarding, call waiting, three-way calling, conference calling, speed calling and other phone services Keywords: wireless phone jack, VoIP adapter, RCA RC926, home phone extension jack Condition: New in sealed retail blister package with original contents. Cardboard backing and clear plastic bubble show light shelf wear, small surface scuffs and minor edge wear from storage. Packaging remains fully intact with no openings or tears.