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SIP.IO

SIP.IO is a programmable voice and cloud contact center platform for UCaaS, CCaaS, and Voice AI.

Place
#13 of 52
Score
6.3
SIP.IO's website

What SIP.IO is

SIP.IO is a programmable voice and cloud contact center platform for UCaaS, CCaaS, and Voice AI. Its listed services include business phone service, SIP trunking, skills-based queues, agents, a wallboard, and reporting. Developers can embed a softphone for browser-based WebRTC calls inside an app. Messaging includes SMS-to-email and inbound SMS webhooks, with HMAC-signed webhook requests. Call recording can follow policies, pause or resume mid-call, and provide playback through an audited API. Voice AI agents can escalate to people, and teams can use searchable transcripts and AI summaries; customers may bring their own AI provider. SIP.IO also lists managed, white-label Microsoft Teams Direct Routing with tenant provisioning by API. The free tier includes trial credit, a test phone number, and access to call flows, queues, and contact center functions without a credit card. Usage-based pricing is charged per voice minute and per number, but current rates require contacting SIP.IO. The Trust Center says API, dashboard, and SIP signaling use TLS 1.2 or higher, with SRTP for voice media and DTLS-SRTP for WebRTC.

Good

  • Free tier requires no credit card
  • Embedded browser-based WebRTC softphone
  • Call recording supports pause and resume
  • ISO/IEC 27001 certified

Watch out

  • Current usage pricing requires contacting SIP.IO
  • Published rates are examples, not the final rate card
  • HIPAA and a Business Associate Agreement program are not offered

Who it suits

SIP.IO is aimed at developers, BPOs and contact centers, and resellers or white-label operators. It may suit teams needing programmable calling, contact center functions, or voice AI with human escalation.

Verdict

SIP.IO combines programmable calling with contact center and AI capabilities, and its free tier provides a way to access call flows and a test number. Contact the company for current rates, and note that HIPAA is not offered.

Plans and prices

From SIP.IO's own pricing page, checked 5 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Free tierFreeFree trial credit · test phone number · full access to call flows, queues, and contact center · no credit card
Usage-basedPriced on requestNo per-seat licenses · no minimums · month-to-month · published rates are examples only, not the final rate card · Pay per minute for voice and per number; current pricing by contacting SIP.IO

The facts

Each one read from SIP.IO's own pages, with the date it was checked.

What it does

AI features
SIP.IO offers voice AI agents with human escalation and searchable call transcripts and AI summaries, including the option to bring your own AI provider.checked 5 Oct 2026
Call recording
Call recording supports policy-driven recording, mid-call pause and resume, and an audited playback API.checked 5 Oct 2026
Certification
SIP.IO says it is ISO/IEC 27001 certified and that SOC 2 Type II is on the roadmap and has not been audited yet.checked 5 Oct 2026
Compliance limits
The Trust Center says HIPAA is not offered and SIP.IO has no Business Associate Agreement program.checked 5 Oct 2026
Inbound calling
Yeschecked 24 Sep 2026
Intended users
The documentation says SIP.IO is built for developers, BPOs and contact centers, and resellers or white-label operators.checked 5 Oct 2026
Messaging
The platform lists SMS-to-email and inbound SMS webhooks, with webhook requests HMAC-signed.checked 5 Oct 2026
Pricing limits
The published voice and number rates are labeled examples rather than the final rate card, and SIP.IO asks customers to contact it for current pricing.checked 5 Oct 2026
Security
The Trust Center says API, dashboard, and SIP signaling use TLS 1.2 or higher, while voice media uses SRTP and WebRTC uses DTLS-SRTP.checked 5 Oct 2026
Security support
SIP.IO invites vulnerability reports by email and says it aims to send an initial response within three business days.checked 5 Oct 2026
Voice and contact center
Its listed capabilities include business phone service, SIP trunking, skills-based queues, agents, wallboard, and reporting.checked 5 Oct 2026
What it does
SIP.IO describes itself as an edge-native programmable voice and cloud contact center platform for UCaaS, CCaaS, and Voice AI.checked 5 Oct 2026

Where it runs

Browser calling
SIP.IO lists an embedded softphone for browser-based WebRTC calling inside an app.checked 5 Oct 2026

The company

Microsoft Teams
SIP.IO lists fully managed, white-label Microsoft Teams Direct Routing, with tenant provisioning by API.checked 5 Oct 2026

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