Cisco can help your small business deploy the power of IP telephony with best-in-class products at an exceptional value. With Cisco Small Business Voice Gateways and Analog Telephone Adapters (ATAs), you can attach your analog and cordless digital (DECT) phones, as well as fax machines, to a VoIP service with an IP telephony service provider (ITSP). – Cisco VG20X Series IOS ADVANCED IP SERVICES