The durafon-sip is the industry's first durable long-range sip Cordless phone. The durafon-sip Cordless phone system delivers industry-leading range durability and reliability in a flexible multimode Communications platform that provides users with the lowest total cost of ownership (tco) in the industry. This durable long-range sip Cordless phone provides up to 250 000 square feet of facility coverage penetrates up to 12-floors for in-building coverage and up to 3 000 acres of property in open land coverage. It supports both sip and one pstn line analog and is ideal for companies with an existing ip-pbx system on the premises or those using hosted VoIP services that require reliable long-range Communications over Large areas or in harsh environments. Such as organizations whose staff work on Large properties outside of a conventional office or venues where employees need to stay in constant contact with a main office or management team and where Wi-Fi or Dect phones can't reach. An expert in wireless Communications and RF technology engenius delivers feature-rich long-range wireless Communications technology for voice and data. The versatility and performance of the company's Solutions lower total cost of ownership increase productivity and maximize efficiency and performance to a Large number of clients simultaneously.