SIP.IO vs VICIdial
SIP.IO
sip.io
VICIdial
vicidial.comSide by side
| Figure | SIP.IO | VICIdial |
|---|---|---|
| Price from | Free | $400/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | Yes |
| Web | Yes | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 2 | 4 |
| Spec score · Telemarketing | 7.4 (#10) | 8.6 (#3) |
| Spec score · Call Center Software | 7.3 (#102) | 8.8 (#16) |
| Call recording | Call recording supports policy-driven recording, mid-call pause and resume, and an audited playback API. | Calls can be recorded automatically or started and stopped manually, including stereo recordings. |
| Inbound calling | Yes | Yes |
| 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. | The white paper lists HTTPS interfaces, encrypted recordings, restricted recording access, WebRTC or SRTP, encrypted passwords, two-factor authentication and failed-login logging. |
| What it does | SIP.IO describes itself as an edge-native programmable voice and cloud contact center platform for UCaaS, CCaaS, and Voice AI. | VICIdial is an open-source enterprise contact-center suite supporting inbound, outbound and blended calling, email and website chat. |
Plans
VICIdial
- Free Open-Source DownloadFree
- VICIhost hosting$400 a month
- Additional VICIhost server provisioning$500, paid once
- VICIhost initial provisioning$1,000, paid once
In their own words
SIP.IO
SIP.IO is a programmable voice and cloud contact center platform for UCaaS, CCaaS, and Voice AI. Its listed services include business phone service and SIP trunking, alongside skills-based queues, agents, a wallboard, and reporting. Developers can embed a softphone in an app for browser-based WebRTC calls. Messaging includes SMS-to-email and inbound SMS webhooks, with webhook requests signed using HMAC. Call recording supports policy-based rules, pausing and resuming during a call, and playback through an audited API. Voice AI agents can escalate to a person; the platform also offers searchable call transcripts and AI summaries, with the option to use a customer's AI provider. SIP.IO lists managed, white-label Microsoft Teams Direct Routing with tenant setup by API. Its free tier includes trial credit, a test phone number, and access to call flows, queues, and contact center features without a credit card. Usage-based voice and number pricing is available by contacting SIP.IO; published rates are examples, not the final rate card. SIP.IO says it is ISO/IEC 27001 certified and that HIPAA and a Business Associate Agreement program are not offered.
VICIdial
VICIdial is an open-source contact center suite with a predictive dialer, made by VICIdial, founded in 2007 and based in St. Petersburg, Florida. It handles inbound, outbound, and blended calls, as well as inbound email and website chat through a web-based agent interface. Campaigns can use automatic or predictive dialing, including an adaptive algorithm. Routing features include skills-based ranking, queue prioritization, and callbacks from inbound queues. Campaign tools include agent scripts populated with customer data, scheduled callbacks, call recording, and campaign-specific dispositions. VICIdial lists APIs for agent sessions and lead imports, plus web-based data export utilities. Add-ons include CRM integrations, a WebRTC phone, a WordPress call-me plugin, and QueueMetrics reporting. The agent interface lists 16 languages and allows users to create translations. Compliance features include do-not-call lists, cellphone filtering for TCPA compliance, and GDPR tools. The full VICIbox software can be run on the user's own hardware for free, including in production. VICIhost hosting costs $400 a month per server after the first month; provisioning and call-related charges also apply.