It is unnecessary to give the introduction of VoIP any more extended as it transforms into the family things now days. The VoIP word makes anyone to think about the overall calls from their PC and cell phones at incredibly mild rate. Given ample recent technologies such as ISDN, POTS codecs and IP audio codecs, VoIP (Voice over Internet Protocol) technology has proved to become a cut above rest. VoIP has been introduced as a laudable term in computer networks that can simulate traditional phone system. VoIP phones, VoIP switches have replaced the PSTN and POTS and took over business PBX systems. VoIP consists of a service provider and the software running at user end which may be a Smartphone or a desktop. The VoIP service provider is basically based on cloud. VoIP lets one make long distance voice and fax calls over Internet protocol.
Earlier it was PSTN (Public Switched Telephone Network) on which two parties relied for communication. A little later emerged the data communication technology that offered other data to be transmitted over the network than only voice calls. But the charges spoke loud then. With the necessity to cut across the charges together with effective sundry data transmission VoIP was introduced. Today due to rapid integration of IP in our lives, VoIP has extended its capability to communicate data as well as voice calls to the remote locations. VoIP switches known as soft switches are APIs used in VoIP phones that connects telephone calls. Softphones work with VoIP technology and are used to make and receive calls. Soft phones need US phones or headsets to use its service. One of the application programs that use VoIP integrated in it is mobile dialers also called soft dialers. Since soft phones and VoIP phones may require additional hardware cost it is used by business organisations where remote communication is prominent.
Other common people utilise VoIP technology in the form of mobile dialers which are installed on their smart phones and exploits Wi-Fi. VoIP technology uses UDP/IP protocol. The bandwidth was wasted earlier when PSTN were used but with the induction of VoIP the bandwidth has been utilised to its strength. The voice compression standards such as G.729 and G.723 are used to minimise the bandwidth required for voice and also ensures near toll-quality voice. G.723 is the maximum compression rate and requires only 5.3Kbps plus 7-8 Kbps of bandwidth for IP overhead. 14Kbps of bandwidth is ideal per call. One remarkable feature that adds on is that in 60% of the call callers are usually silent and bandwidth is used only when caller is speaking. A silence suppression/Voice Activation Detection (VAD) feature is an option that frees the unused call bandwidth for data traffic. VoIP technology has produced a seamless user experience and has encouraged data communication managers and telecommunication managers to work together.
Thusly, along these lines or distinctive reasons, VoIP call through the PDAs isn’t as smooth as VoIP calls through the PC contraptions. With the progress in the mobile phones and adaptable dialer applications, the situation is hinting at change now. Various VoIP Providers are out there who are working day and night to upgrade the idea of adaptable VoIP which realizes better customer encounter. VoIP needs an appreciable measure of processer vitality to run effortlessly on a mobile phone. Thusly, you can in like manner overhaul the VoIP call quality by picking an appreciable Smartphone which has updated handling framework.