Voyced - Business VoIP Bandwidth Calculator

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Voyced calculation tool

Business VoIP Bandwidth Calculator

Estimate how much upload and download speed your business needs for clear VoIP calls.

Peak simultaneous calls Count calls active at the same time, not total users.

Audio codec G.711 is a safe default for many business VoIP setups. Use other codecs when your PBX, phone or SIP platform supports them.

Packet interval 20 ms is normally the best starting point.

Safety headroom Extra room for jitter, browser traffic, updates and busy moments.

20%

Use Voice Activity Detection estimate This estimates lower average use when silence suppression is active. Do not use it for strict capacity planning.

Optional connection check

Add your current internet speed to see if it has enough room for voice.

Available upload speed

Available download speed

Keep speed free for other use This helps estimate how many calls the entered line can safely carry.

20%

Optional quality check

Add speed test values if you have them. This checks quality risk, not only bandwidth.

Latency

Jitter

Packet loss

Recommended internet speed

1.05 Mbps For 10 simultaneous calls using G.711.

Per call 87.2 Kbps

Total upload needed 1.05 Mbps

Total download needed 1.05 Mbps

Estimated calls per 1 Mbps 9

Show calculation breakdown

Call quality also needs this

Stable upload speed, not only high download speed.
Low jitter and packet loss.
Router QoS so voice traffic gets priority.

Talk to Voyced about your needs