VoIPAboutVoIPaboutvoip.info
VOICE NETWORK PLANNING

Plan for conversations, not just connections.

01 / MODEL YOUR CALLS

20 ms packetization. Continuous audio in each direction. The 25% starting margin is illustrative, not a standard.

02 / GIVE EACH DIRECTION ROOM
↑ Upload required1.00 Mbps
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Illustration: 10 G.711 calls, IPv4, 20 ms packets, 25% added margin.

Bandwidth is only one ingredient.

Packet loss, jitter and delay also affect calls. This calculator estimates traffic; it does not measure your connection.

UNDERSTAND THE RESULT

What a voice bandwidth estimate can tell you

Estimate VoIP bandwidth per direction with clear codec and packet overhead assumptions. Work through common call-quality problems safely.

Read the field guide →
TERMINAL FRIENDLY

Your IP. Just your IP.

curl https://aboutvoip.info

A command-line request returns the public source address seen by this service.

Endpoint details →