{"uid":"cap_WLQKHsxJLYn8dcBKTBGr5","slug":"network-calc-voip-bandwidth-calculator-9d336aee","name":"Network Calc VoIP Bandwidth Calculator","description":"Bandwidth of a VoIP call (IP and Ethernet level) for a codec and packetization time, and totals for many calls.","url":"https://network-calc.x402tookit.com/voip-bandwidth?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"calls":{"type":"integer","description":"Number of simultaneous calls (default 1)"},"codec":{"type":"string","description":"g711, g722, g729, g726-32, g726-24, gsm or custom (then give 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IP and Ethernet-level bandwidth for a VoIP codec and packetization time, including per-call and aggregate figures for multiple simultaneous calls.","exampleAgentPrompt":"How much bandwidth will 50 simultaneous G.711 VoIP calls use at 20ms packetization time over standard Ethernet with IPv4, including both per-call and total figures?","exampleUseCases":[{"title":"VoIP capacity planning for call center","prompt":"We're provisioning bandwidth for a call center that will handle up to 200 simultaneous G.729 calls over IPv4 Ethernet — how much total bandwidth do we need in Mbps, and how many calls fit per Mbps?"},{"title":"Comparing codec bandwidth with custom bitrate","prompt":"I'm evaluating a custom codec running at 32 kbps payload bitrate with 30ms packetization time over IPv6 with Ethernet VLAN tagging — what's the total IP and link-layer bandwidth per call?"},{"title":"Single call overhead analysis","prompt":"What are the full bandwidth breakdown figures — payload bytes, IP packet size, frame bytes, and overhead percent — for a single G.722 call with 10ms ptime over IPv4 and PPP framing?"}],"resultDescription":"Returns per-call and aggregate bandwidth figures: IP kbps per call, link kbps per call, total IP kbps, total link kbps and Mbps, calls per Mbps, payload bytes, IP packet bytes, frame bytes, overhead percent, plus a human-readable summary, verdict, and any warnings or disclaimers about the configuration.","failureModes":["Invalid codec name returns an error or degraded result","ptimeMs outside 10–120ms range may produce an error or warning","bitrateKbps required when codec is 'custom' but omitted","Unsupported layer2 value returns validation error","Non-integer calls parameter may be ignored or cause an error"],"whenToPreferThis":"Use this endpoint when you need precise, protocol-aware VoIP bandwidth calculations that account for Layer 2 framing (Ethernet, VLAN, PPP), IP version, codec type, and packetization time — especially for capacity planning with many simultaneous calls. Prefer it over generic bandwidth calculators because it understands VoIP-specific packet structure and can output both per-call and aggregate figures.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:34:29.756Z","isFirstParty":false,"canonicalSlug":"network-calc-voip-bandwidth-calculator-9d336aee"}