| High definition phones are superior IP phones which support wider frequencies for rich voice quality |
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| High Definition VoIP (HD VoIP) Features |
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- High quality voice is transmitted over lesser bandwidth
- Normal PSTN samples the voice 8000 times in a second this eliminates a substantial part of the full range of spectrum audible to human ears. Compared to this the HD takes 16000 samples per second.
- HD supports transfer of sound upto a frequency of 7 khz. Normal PSTN supports upto 50 Hz only.
- Bandwidth required for HD is only 32 kbps. Whereas PSTN requires 64 kbps.
- HD utilizies the most popular wideband coders such as G.722, G.722.2, G.729.1, G.711.1 and Microsoft RTA.
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| Advantages of HD Voice |
- Superior sound quality
- Better comprehension
- Identify who’s talking
- Higher productivity
- Lower fatigue
- Overcome accents
- Better Speakerphone solutions
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| Click on the models for more details: |
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