ccna 9.2.2.7

ccna 9.2.2.7.6.4.4 VoIP Security Considerations6.4.4.1 VoIP Business AdvantagesVoIP refers to the delivery of voice traffic over IP networks. IP was originally designed for data networks, but its success in data networks has led to its use in voice traffic as well.Note: VoIP and IP telephony communications are often incorrectly confused. VoIP defines the method of transporting voice calls over an IP network, which involves digitizing and grouping the voice stream. IP Telephony communications, on the other hand, uses VoIP standards to create a communications system in which more advanced features are used, such as advanced call routing, voicemail, and contact centers.A large part of the reason VoIP is so popular is the cost savings that can be achieved compared to traditional phone networks. On traditional phone networks, most people pay a monthly fee for local phone calls and a per-minute fee for long distance calls. VoIP calls use the Internet, and most Internet connections require a monthly fee. Using an Internet connection for data traffic and voice calls allows consumers to reduce their monthly phone bills. For international calls, the cost savings are significant.Over time, the business advantages that drive VoIP network implementation have changed. In the beginning, it was simple media convergence, but later these advantages evolved into a convergence of call switching intelligence and overall user experience. Initially, return on investment (ROI) calculations focused on toll-bypass and converged network savings. These investment savings are still significant today, but advances in voice technology have allowed enterprises and service providers to differentiate their offerings by providing advanced features.VoIP offers the following business advantages.Significantly lower telecom call costs. VoIP service providers charge significantly less for phone connection services than traditional phone companies, with savings of up to 50%0 Productivity can be greatly enhanced by using VoIP phone services. Some companies have reported a productivity increase of up to three hours per week per employee. Many features, such as findme/follow me. Remote office, click-to-call, Outlook integration, unified voicemail, conference calls, etc., which, along with collaboration tools, can further increase productivity. The cost of moving, adding and changing is much lower. The flexibility of VoIP makes it easy to move calls between workstations. Ongoing service and maintenance costs are lower.