★ Category overview

VOIP Providers in Singapore

Last updated: 20 July 2026

Singapore VOIP buyers usually weigh more than seat pricing. The stronger providers can explain SIP trunk redundancy, number porting from incumbent carriers, cloud-PBX call quality on local circuits, and how their platform handles IMDA compliance, emergency dialling, and call recording for regulated industries.

What to look for
  • Singapore-hosted SIP infrastructure with documented uptime and failover.
  • Smooth number portability from your incumbent fixed-line and mobile carriers, with lead times confirmed up front.
  • Cloud PBX or UCaaS with Teams / Zoom / CRM integrations your team already uses.
  • Clear handling of IMDA licensing, call recording retention, and emergency services routing.
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8x8 Work is a cloud unified communications platform that unifies voice, video, chat, and messaging within a single application.

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Aircall is an AI-powered cloud phone and customer communications platform serving over 22,000 businesses globally.

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Call4tel is a Singapore-based provider of VoIP solutions, specializing in 3CX-certified PBX appliances and gateways for business communication.

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Cal4Care, operating as CalnCall, is a provider of system integration products and services that is changing how…

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GoTo Connect is the unified-communications platform from GoTo (formerly LogMeIn), combining cloud business phone, video…

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Happy2Call provides business communication solutions that link locations, people, and customers through a single,…

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HBC Singapore is a Singapore-licensed services-based telecommunications operator focused on international voice…

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Maven Lab is a Singapore-based Communications Platform as a Service (CPaaS) provider that offers programmable cloud…

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RingCentral provides an Agentic Voice AI platform designed to automate, assist, and analyze customer interactions.

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TeleCMI is a cloud communications provider serving over 3,500 businesses globally with voice AI agents, cloud PBX…

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Toku is a Singapore-headquartered cloud communications company that provides bespoke communication and engagement solutions for enterprises.

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