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http://www.voipsolutionfarm.com : VoIP Solution In a traditional PSTN, the quality of service of the calls and continuous connection are very dependable; so, in order for people to switch to IP telephony, the same quality considerations must be maintained or excelled.With IP telephony consisting of distributed elements, the entire architecture has to be strategically managed to provide good service while at the same time reducing the overload and maintenance costs. Voice over Internet Protocol, or VoIP, solutions include components such as end-user devices, PBX, gateways and gatekeepers, IP network and several protocols that take care of the issues and operations of a transaction.