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Company profilecallr.com ↗

Callr

CALLR provides businesses with tools for building, automating, and scaling voice conversations.

Telecommunications
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Headquarters
Paris, FranceSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
2010Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
26 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Callr do?

CALLR operates as a registered carrier across more than 220 countries and describes its network as end-to-end owned.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

REST APIs and low-code workflows

CALLR supplies tools for businesses to build, automate, and scale voice conversations using REST APIs and low-code workflows.

Source: LinkedIn company description · Retrieved October 13, 2026

AI voice agents

CALLR offers fully autonomous AI voice agents with native SIP integration.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWCallr listed #4 on Voice AI platform providers, September 28, 2026Open the published source list.
Callr

#4 Voice AI platform providers

Snapshot: September 28, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 2, 2026. Directory positions use company-contact counts from separate saved list snapshots dated August 30, 2026, September 7, 2026, September 21, 2026, September 26, 2026, September 28, 2026 and September 30, 2026. How the company lists are built.

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