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VoIP Services, Voice Over IP Solutions, Codecs and Information Resource
VoIP is the acronym for Voice Over the Internet Protocol
VoIP can replace your local analog telephone line/s
A T1 Line/1.54 MB can transmit 24 simultaneous calls via VoIP at 64 KB using Codec G.711 or G.722
VoIP transmits a digital signal
Codec G.711 transmits at 64 Kbps the most precise in speech transmission
Codec G.722 transmits at 48 Kbps, 56 Kbps and 64 Kbps
Codec G.723.1 transmits at 5.3 Kbps and 6.3 Kbps which can be used over Dial-Up with high compression and processing power.
Codec G.726 transmits at 16 Kbps, 24 Kbps, 32 Kbps and 40 Kbps which is an improved version of G.721 and G.723 but different from Codec G.723.1
G.729 transmits at 8 Kbps and has superior bandwidth utilization which requires a license and is error tolerant.
Codec GSM (Global System for Mobile Communications) transmits at 13 Kbps and has a high compression ratio and is available in many hardware and software platforms which is the same encoding that is used in GSM cellphones
Codec iLBC (Internet Low Bitrate Codec) transmits at 15 Kbps and is a royalty free narrowband speech codec
Codec Speex transmits at 2.15 Kbps, 44 Kbps and minimizes bandwidth usage by using variable bit rate.
