evolved to include multiple services [voice and data] operators have increasingly given consumers the opportunity to rent or buy additional devices like access modems, internet gateways and video extenders that enable them to access multiple services, and distribute them to a range of consumer electronics devices in the home. Technology evolution Hybrid devices The growth of multiple system operators, offering triple or quad-play services, required the development of hybrid CPE to make it easy for subscribers to access voice, video and data services. The development of this technology was led by Pay TV operators looking for a way to deliver video services via both traditional broadcast and broadband IP networks. Spain's Telefonica was the first operator to launch a hybrid broadcast and broadband TV service in 2003 with its Movistar TV DTT/IPTV offering, while Polish satellite operator 'n' was the first to offer its subscribers a Three-way hybrid (or Tri-brid) broadcast and broadband TV service, which launched in 2009 Set-back box The term set-back box is used in the digital TV industry to describe a piece of consumer hardware that enables them to access both linear broadcast and internet-based video content, plus a range of interactive services like Electronic Programme Guides (EPG), Pay Per View (PPV) and video on demand (VOD) as well as internet browsing, and view them on a large screen television set. Unlike standard set-top boxes, which sit on top of or below the TV, a set-back box has a smaller form factor to enable it to be mounted to the rear of the display panel flat panel TV, hiding it from view. Residential gateway A residential gateway is a networking device used to connect devices in the home to the Internet or other wide area network (WAN). It is an umbrella term, used to cover multi-function networking appliances used in homes, which may combine a DSL modem or cable modem, a network switch, a consumer-grade router, and a wireless access point. In the past, such functions were provided by separate devices, but in recent years technological convergence has enabled multiple functions to be merged into a single device. One of the first home gateway devices to be launched was selected by Telecom Italia to enable the operator to offer triple play services in 2002 . Along with a SIP VoIP handset for making voice calls, it enabled subscribers to access voice, video and data services over