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6 Tips to Improve VoIP Quality
6 Tips to Improve the VoIP Quality Many users complain about poor audio VoIP quality (which is the disadvantage #4), dropped calls etc. Here are 6 aspects of the VoIP setup that can affect the quality of VoIP phone service. Following these tips can greatly improve the VoIP quality. 1. Internet Connection High speed internet connection is highly recommended. Some companies offer VoIP for dial up internet connection but this will result in poor audio and eventually you will begin to dislike VoIP but this is not the fault of the VoIP. It is the internet connection. Even with the high speed internet connections like DSL cable, there are occasional tardiness and during those times, the VoIP quality will be poor. Ethernet connection is highly recommended. 2. External Factors like Weather Conditions Heavy rains, thunderstorms and snowstorms can cause increased static on broadband lines. Sometimes turning off the VoIP setup and turning it back on can resolve this problem. The other solution is that your VoIP service provider can replace these cables with higher quality cable to reduce the static. These cables are expensive. It is your decision whether to replace it or not. 3. Compression Software i.e., Codec The technical details of the codecs are out of scope for this article. You can find more details about codecs on Wikipedia (en.wikipedia.org/wiki/Codec). Here is brief explanation of codecs with respect to VoIP - VoIP compresses the voice data packets before sending them. The reason for compression is that the compressed data packet sent or transmitted is not heavy i.e., if the data packet is heavy, then the transmission will be too slow and ineffective. Codec is the software that is used for such data compression purposes. If the codec is not of good quality, then audio quality will suffer. 4. VoIP Hardware and its Location The VoIP hardware has huge impact on the VoIP audio quality. The most important one is the ATA/Router. VOIP ATA (Analog Telephone Adaptor) brings traditional telephones to the networked world. It connects phone handset-to-Ethernet adaptor and hence interfaces regular analog telephones with VoIP telephone networks. More details about ATA can be found on Wikipedia (en.wikipedia.org/wiki/Analog_telephony_adapter). ATAs in general should have support for Firewall and security, compression technologies and echo cancellation. Many technicians have found out that VoIP equipment interfere with each other and create some type of buzzing noise or feedback and sometimes dropped calls. Contrary to the belief that VoIP hardware/ equipment must be as close as possible to each other, the ATA should not be placed very close to the broadband internet router! Placing these equipment away from each other can improve the VoIP phone service’s audio quality. 5. Computer Hardware and Maintenance Regular de-fragmentation, availability of more memory on your computer, high quality of speakers and microphone etc. can positively affect the VoIP quality. 6. VoIP Phone Type/ Frequency The phone type and frequency can affect the VoIP quality. Contrary to the belief that higher frequency delivers better VoIP quality, sometimes using a lower frequency phone may be better suited to your connection. So if you experience a lot feedback in the audio, then it is a good idea to try a phone with lower frequency. Overall VoIP has a great promise for providing excellent communication at very low costs. VoIP services are not a fad – they are here to stay. A lot research has been done by major corporations to resolve some of the disadvantages of VoIP and also to improve the quality. Every few months, there is some improvement in the VoIP quality. At this rate, it will not be surprising if VoIP phone services function as good as the PSTN and if VoIP gets accepted on much wider scale. |
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This intel was contributed by richmcl
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May, 2012
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