58+ Professional Telecom Engineering Calculators (2026)

VoIP Hub

Voice & Traffic Engineering

Quality of Service & Erlang Precision

Voice services demand strict QoS. Whether you are dimensioning SIP trunks for a global carrier or calculating call center agent requirements using Erlang C, our traffic engineering tools ensure you meet grade-of-service targets with minimal waste.

Operational Toolset

SIP Trunk Sizing

Popular

Calculate required SIP trunks based on traffic parameters and quality requirements.

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Erlang B Calculator

Classic tool for determining circuit requirements with zero queuing.

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OPUS Bitrate & Bandwidth

Estimate Opus codec nominal bitrates and total IP bandwidth including RTP/UDP/IP overhead.

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Jitter & MOS Estimator

Analyze voice quality (MOS) impact based on network jitter and packet loss.

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Transcoding Latency & Loss

Estimate technical quality degradation and processing latency for multi-stage VoIP transcoding.

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Erlang C Calculator

New

Queue-based capacity planning for call center staffing.

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E1/T1 Timeslot Planner

Pro

Visual calculator for mapping PCM trunk timeslots (24 or 32 channels) to allocate SS7 signaling and voice bearer channels.

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G.711/G.729 Bandwidth

New

Calculate IP bandwidth required for G.711 and G.729 VoIP codecs, including RTP/UDP/IP overhead.

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Operational Toolset

Privacy_Protocol_v2.0

Operational Toolset