case study

Scaling Lead Follow-Ups with Voice AI at 1/5th the Cost

Service
11x, n8n
Client
SumUp
Service
https://www.sumup.com/fr-fr/
Client
SumUp automated inbound lead calls with a Voice AI Agent from 11x via Triangle, reaching leads within seconds. The AI matched human performance (40% vs. 42% SQL rate) while cutting costs by 5×. It now qualifies 100% of leads, letting reps focus on closing — not chasing.
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summary
Scaling Lead Follow-Ups with Voice AI — at 1/5th the Cost Client: SumUp Use Case: Automating inbound lead qualification Technology Partner: 11x + Triangle
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Triangle™ is a registered company in France, operating under the legal structure of a civil company (SIREN No. 840 091 029 – RCS Paris). The company is headquartered at Cœur Marais, 66 Rue des Archives, 75003 Paris, and has been listed with the Paris Trade and Companies Register (RCS). All services provided by Triangle™ comply with French and European business regulations, ensuring transparency, legal integrity, and adherence to professional standards.