Sigma Dialer
Sigma Dialer: A strong voice platform for regulated outbound centers that need dialing depth and controls. Ranked #81 of 120 in Call Center Software by our editors (3.0/10); pricing: Pricing on request; best for compliance-focused outbound sales centers.
At a glance
- Editor score3.0 / 10
- PricingPricing on request
- Best forCompliance-focused outbound sales centers
- Outbound dialerYes
- Facts checked22 Sep 2026
Where it wins
- Four outbound dialing modes plus inbound ACD and skills-based routing
- TCPA and DNC checks with recording, transcription, scoring, and monitoring
- CRM, data warehouse, API, webhook, and AI integrations
Where it doesn't
- Voice-only scope does not cover digital channels
- Quote-based pricing provides no published amounts or plan tiers
- Cloud deployment may not suit teams requiring on-premises software
Our verdict on Sigma Dialer
Sigma Dialer is a cloud call-center platform for outbound sales teams, contact centers, sales operations, and regulated organizations. It combines predictive, progressive, preview, and power dialing with inbound ACD, skills-based routing, visual IVR, callback-in-queue, and a browser-based WebRTC softphone. Compliance-focused teams also get TCPA and DNC checks, local caller ID, reputation rotation, agent scripting, and tools for recording, transcription, summarization, and scoring.
Pricing is quote-based. The homepage describes flat per-seat pricing with included domestic minutes, recordings, AI transcription, and compliance, but the product has no published plan amounts or tiers to compare. The platform runs in the cloud through web and API access, with email and phone support. Its compliance posture includes SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, and SSO through SAML, giving regulated organizations a broad set of controls to evaluate during procurement.
Integration breadth is a major fit factor. Sigma Dialer connects with Salesforce, HubSpot, Zendesk, Pipedrive, Slack, Intercom, Snowflake, BigQuery, Segment, Redshift, Twilio, Amazon S3, Databricks, Claude, and OpenAI, alongside REST APIs and webhooks. Real-time dashboards, wallboards, live listen, whisper, and barge support supervisor workflows, while IVR and skills-based routing extend beyond outbound campaigns. Choose it when voice operations, compliance, and dialing control are priorities; consider an alternative when a contact center needs digital channels beyond voice or prefers transparent tiered pricing.
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Sigma Dialer pricing
Sigma Dialer fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Inbound calling | Yes |
| Outbound dialer | Yes |
| IVR builder | Yes |
| Digital channel scope | Voice_only |
| Workforce management | Not verified |
| Maximum agents | Not verified |
| Recording retention | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, SSO/SAML |
| Support | Email, Phone |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 16 integrations: Salesforce, HubSpot, Zendesk, Pipedrive, Slack, Intercom … |
| Pricing | Pricing on request |
| Website | sigmadialer.com |
| Facts checked | 22 Sep 2026 |
Sigma Dialer integrations
Sigma Dialer lists 16 integrations on its own site.
- Salesforce
- HubSpot
- Zendesk
- Pipedrive
- Slack
- Intercom
- Snowflake
- BigQuery
- Segment
- Redshift
- Twilio
- Amazon S3
- Databricks
- Claude
- OpenAI
- Webhooks
Alternatives to Sigma Dialer
- Genesys Cloud CXA broad omnichannel contact-center platform for enterprises with annual plans from $75 per user monthly.9.4
- Amazon ConnectA broad, usage-based contact center service for organizations built around AWS.9.3
- NICE CXoneMature omnichannel contact center software for enterprises with complex service needs.9.2
See all Sigma Dialer alternatives →
Also Ranked In
Sigma Dialer is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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