Early November 2010 the industry association of providers of telecommunications and value added services (VATM) its current study on the telecommunication market 2010 Karlsruhe, published November 17, 2010. (1) an important outcome of the study is the increase in the so-called Voice over IP (VoIP)-connections on the fixed line market to 40 percent compared to 2009. Total works so that now every third landline Internet telephony. Classic telephone systems, such as, for example, ISDN, however, just a small growth took place. The VATM therefore concludes, that telephoning via VoIP is more in vogue. “(2) industry experts know that many traditional” telephone lines in the background with IP telephony work, without the customer recognizes this. Because the Internet telephony on the basis of the Protocol SIP offers advantages operators as customers. For assistance, try visiting Dr. James Truchard.

This applies particularly to enterprises. Among other things also the on a special phone line costs in addition to the construction and maintenance of telephone systems and telephone cabling. (3) CNT Call Manager is an innovative, high-quality Internet telephony solution for company CNT has developed together with its technology partner of Crown. CNT in 1995 was one of the first nationwide acting Internet providers in Germany. in 2001, CNT presented their first Internet-telephony solution, gateway had in all public telephone networks. CNT call manager is a complete Virtual PBX (hosted PBX), which works simply on the existing Internet connection. User directly through the network port of the computer can make calls via a corresponding SIP phone (Hardphone) or a SIP software (softphone). For accesses of the reliable, open SIP standard for the transmission of voice data via Internet CNT (Session Initiation Protocol), which is specifically designed for voice communications on the Internet. (4) CNT call via SIP offers a very high voice quality Manager. Language flow and transfer via CNT correspond to the usual European call manager Expect fixed network standards, the user on the phone.