Enterprise VoIP Platform Built for Scale
Powerful SIP routing, intelligent carrier management, and real-time call control. Deploy carrier-grade voice infrastructure in minutes, not months.
curl -X POST https://api.sipsmart.io/v1/callsStarting call routing...✓ LCR calculated: $0.0042/min✓ Carrier selected: Premium-Tier-1✓ Call connected in 847msBuilding VoIP infrastructure is complex
Traditional VoIP setups require months of development, expensive hardware, and constant maintenance. There's a better way.
Slow Time to Market
Setting up SIP servers, routing logic, and carrier integrations takes 3-6 months with traditional infrastructure.
High Operational Costs
Maintaining servers, managing multiple carrier relationships, and 24/7 monitoring requires dedicated DevOps teams.
Poor Call Quality
Without intelligent routing and carrier failover, dropped calls and quality issues hurt your business reputation.
SIPSmart eliminates these pain points with our managed platform
Infrastructure + Intelligence APIs built-in
Production-ready VoIP infrastructure with real-time routing intelligence and compliance APIs. Scale from 10 to 10 million decisions effortlessly.
Intelligent LCR
Least Cost Routing automatically selects the best carrier based on cost, quality, and availability in real-time.
Multi-Carrier Management
Seamlessly manage multiple SIP carriers with automatic failover and load balancing for 99.99% uptime.
Real-Time Analytics
Monitor call quality, costs, and performance with detailed CDRs and live dashboard metrics.
Routing Decision Engine
Jurisdiction, wireless detection, toll-free, international, and elevated cost risk — one deterministic API call. Drop-in pre-processor for softswitches and LCR engines.
Pre-Dial Compliance API
Federal DNC, State DNC, TCPA complaint history, and wireless classification — know before you dial. Returns structured call risk category on every lookup.
Sub-Second Routing
Lightning-fast call setup with intelligent routing decisions in under 50ms for crystal-clear connections.
Built for carriers competing with SipNav, VeriSwitch, and in-house LCR engines
Two Product Families. One Engine.
Carrier-grade routing intelligence and real-time compliance decisions — powered by a single deterministic lookup engine.
Track 1 — Carrier Infrastructure
Routing intelligence for carriers, switches, and LCR engines. One deterministic API call replaces LERG and jurisdiction logic.
Track 2 — Call Center / Retail Compliance
Pre-dial compliance decisions in real time. Know before you dial.
Destination Intelligence
INPUT: DNIS
Returns
Real-time destination intelligence for routing, rating, and carrier selection. No local LERG tables required.
Federal & State DNC Lookup
INPUT: Destination number
Returns
Check registry status in real time before placing outbound calls.
Source ANI Intelligence
INPUT: ANI
Returns
Classify inbound or outbound traffic before routing. Identify wireless, complaint-prone, or recently ported numbers instantly.
TCPA + Complaint Lookup
INPUT: Destination number
Returns
Identify high-risk numbers with documented complaint or litigation history.
Routing Decision Engine
INPUT: ANI + DNIS
Returns
Drop-in jurisdiction and routing pre-processor for softswitches, OpenSIPS, and LCR platforms. Deterministic. Versioned. Carrier-grade.
Bundle (all 3): $0.00035 / routing decision
Call Risk Classification Model
Each compliance lookup returns a structured risk category plus all underlying flags for full transparency.
The safe_to_dial_now boolean combines DNC status, wireless flag, time zone, and complaint risk into a single actionable signal.
Carrier-Grade Infrastructure
Simple API. No contracts required to start.
Core Product Vertical
Enterprise LRN Infrastructure
NPAC-authoritative LRN data for every access pattern — real-time API, batch processing, database replication, or full snapshot download.
Real-Time LRN Lookup API
Sub-10ms NPAC-sourced LRN dips via REST. Instant API key. 1,000 free lookups.
Learn more →📦Bulk & High-Volume Processing
Batch up to 1,000 numbers per request. Flat-rate pricing for high-volume dialers.
Learn more →🗄Distributed U.S. Replication
Full NPAC database replicated to your MySQL server. Zero per-query fees.
Learn more →💾Full Database Download
Daily NPAC snapshots delivered to S3 or SFTP. 400M+ NANP records.
Learn more →🛡Carrier-Grade Routing Support
Distributed failover, 99.99% SLA, NPAC-direct data — built for carrier scale.
Learn more →Per-Decision Pricing
Pay only for what you use
No monthly platform fees for API-only usage. You are billed per successful decision returned. Batch lookups are metered per number evaluated.
| Product | Input | Price / Decision |
|---|---|---|
🛰 Destination Intelligence | DNIS | $0.0001 |
📡 Source ANI Intelligence | ANI | $0.00015 |
⚙ Routing Decision Engine Flagship | ANI + DNIS | $0.00025 |
Carrier Bundle — All 3 Products
Destination Intelligence + ANI Intelligence + Routing Decision Engine
Volume discounts available for high-throughput accounts. Contact us to discuss custom pricing.
Bulk Data Management & Intelligence
Data Manager with Number Intelligence
Upload your contact data and access all intelligence on your destination numbers using our bulk data management exporting. Audit your caller ID lists for complaints and DNO issues, organize your lists, filter by state, and with a subscription, isolate carrier or line type while filtering out DNC and TCPA litigator records.
Organize & Segment Lists
Upload and manage massive contact databases in partitioned storage. Deduplicate records and easily build new target lists with exclusions applied from other lists.
Caller ID & DNO Health Audit
Upload your outbound Caller ID pools to scrub against FCC/FTC complaint records and Do-Not-Originate (DNO) feeds before dialing, protecting your call reputation.
State & Regional Filtering
Slice contacts by destination state, timezone, and area code with automated calling hour compliance windows.
Carrier & Line-Type Intelligence
Filter your destination records by carrier (OCN/SPID) and isolate Wireless (mobile), Landline, or VoIP numbers using live NPAC portability data.
DNC & TCPA Litigator Scrubbing
Scrub contacts during export against the National Federal DNC Registry, state-specific DNC lists, serial complainers, and active TCPA litigation plaintiffs.
High-Speed S3 Streaming
Process and download millions of enriched records in seconds via secure S3 pre-signed URLs without browser timeouts or memory bottlenecks.
Monthly Subscriptions
Choose Your Data Manager Plan
Scale your list scrubbing, storage, and number intelligence with predictable flat monthly pricing.
Data Manager Light
Ideal for growing sales teams and call operations managing active contact lists.
Included Monthly Quotas
Capabilities Included
Data Manager Professional
Engineered for high-volume outreach operations requiring daily bulk intelligence and scrubbing.
Included Monthly Quotas
Capabilities Included
Data Manager Enterprise
Maximum scale for nationwide dialers, contact centers, and data aggregators.
Included Monthly Quotas
Capabilities Included
No API key required
Try it live. Real data. Right now.
Enter any 10-digit number and see exactly what the engine returns. Rate limited to 10 requests/hour per IP.
POST /v1/demo/routing-decision
POST /v1/demo/compliance-decision
1,000 free decisions included with every account.
Get Your API KeyPlatform Plans
Full platform subscription for teams
Includes SIP routing, carrier management, analytics, call recording, and all platform features. API-only users can skip this and pay per-decision above.
Starter
Perfect for small businesses
$99
$49
USD
- 1,000 minutes included
- 5 concurrent calls
- Basic call routing
- Call recording
- Email support
Start with 1,000 free minutes
Professional
For growing businesses
$249
$149
USD
- 5,000 minutes included
- 25 concurrent calls
- Advanced LCR routing
- Call recording & analytics
- IVR & custom apps
- Priority support
Start with 1,000 free minutes
Enterprise
Unlimited scale & features
$799
$499
USD
- Unlimited minutes
- Unlimited concurrent calls
- Multi-carrier failover
- Dedicated support
- Custom integrations
- SLA guarantee
Start with 1,000 free minutes
- The Routing Decision Engine evaluates ANI and DNIS together to determine jurisdiction (interstate, intrastate, or indeterminate), wireless classification, toll-free detection, international status, and elevated cost risk — in a single API call.
Designed for carriers, softswitches, and LCR systems. - The Pre-Dial Compliance API checks Federal DNC, State DNC, wireless classification, and complaint history to return a structured call risk category before dialing.
It does not determine consent. It provides registry and risk indicators. - No. SIPSmart is a stateless lookup engine. We provide registry and risk indicators. Consent and EBR status are determined by the customer.
- You are billed per successful decision returned. Batch lookups are supported and metered per number evaluated. No monthly platform fees required for API-only usage.
- Yes. 1,000 free API decisions are included for new accounts. No credit card required to start.
- You can have your first API call running in under 5 minutes. Sign up, generate your API key, and start making decisions. No hardware required, no complex setup.
- We integrate with 15+ tier-1 carriers including Twilio, Bandwidth, Telnyx, and many regional providers. Our platform automatically manages failover and load balancing across all carriers.
- We guarantee 99.99% uptime SLA for Enterprise plans. Our multi-region architecture and automatic carrier failover ensure your calls never drop, even during carrier outages.
- Yes. You can connect your existing carrier relationships through our platform. We support custom SIP trunking and can integrate with any carrier that supports standard SIP protocols.
Ready to transform your voice infrastructure?
Join hundreds of businesses using SIPSmart to power their voice communications. Get started in minutes with our free trial.