Concurrent Calls Calculator
Estimate concurrent channels from traffic assumptions.
DIDWire
Concurrent Calls Calculator
Interactive planning tool
Voice planning
Concurrent calls calculator
Average planning values do not account for burstiness, ringing time, retries, abandoned calls or provider-imposed limits. Size production capacity with headroom.
DIDWire
Related guide/product
Voice & SIP Guides
PBX, Asterisk & FreeSWITCH setup
Step-by-step interconnect configurations for SIP trunks, codec negotiation (G.711/G.729/Opus), and NAT traversal.
Voice Control API
Call origination, legs & events
Programmable voice APIs for automated dialing, conference bridging, call recording, and real-time SIP status webhooks.
Bandwidth & Codec Tools
VoIP bandwidth & CPS sizing
Calculate MOS score expectations, packet overhead per codec, CPS concurrency limits, and international dialing codes.
STIR/SHAKEN & Attestation
Caller-ID verification & KYC
Full Level-A attestation compliance, robocall mitigation database (RMD) registration, and legal caller-ID management.
Voice Telemetry & PoPs
Real-time network latency
Live interconnect telemetry across geo-redundant PoPs, low intra-region latency, and active NOC feeds.
Rate Cards & Decks
Downloadable wholesale decks
Access full CSV/Excel destination rate sheets, A-Z CLI termination decks, bilateral rate cards, and technical blueprints.
Pricing Transparency
Rate/coverage/quote CTA
Check Approved Rates
Built for high-volume enterprise traffic and mission-critical uptime.
Carrier-direct voice termination, global DID inventory, verified SMS/RCS routes, and programmable APIs engineered for enterprise resilience.
Transparent Commercial Rates
Browse transparent A-Z rate decks, local DID pricing, and SMS volume tiers with zero hidden commitments.
- Live country-by-country rate search
- Downloadable CSV rate decks
- Flexible prepaid or billed terms
Enterprise & High-Volume Interconnect
Custom CPS limits, bilateral carrier agreements, dedicated account management, and SLA contract guarantees.
- Custom committed CPS thresholds
- 24/7 dedicated NOC escalation desk
- STIR/SHAKEN Level-A token signing
Programmable CPaaS APIs
Integrate voice calling, SMS/RCS messaging, and DID provisioning into your software stack in minutes.
- RESTful endpoints & real-time webhooks
- Official Node, Python, Go, and PHP SDKs
- Instant sandbox test environment