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VoIP Software

Last updated: April 2026

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3 software options

SIP.US logo

Voice over internet protocol (VoIP) solution

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SIP.US is a cloud-based VoIP solution, which helps businesses manage processes for providing SIP trunk services to analog/digital telephone adapters & IP-PBX systems. It operates on clients’ broadband internet connection and uses tier-1 network to set up business phones for routing dialer traffic.

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Telnyx Suite logo

All-in-one communications platform & API

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Telnyx is an all-in-one communications platform which delivers voice, messaging & IP services for applications & communications companies. Telnyx enables users to integrate, manage & analyze all of their voice & messaging needs with features like elastic SIP trunking, programmable SMS, & more

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Zoiper logo

Cross-platform VoIP softphone dialer for SIP and IAX systems

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Zoiper is a cross-platform VoIP softphone dialer that allows voice and video calls, plus instant messaging, to be conducted through multiple Private Branch Exchnage (PBX) networks or favoured Session Initiation Protocol (SIP) providers, with smartphone apps also available for iOS and Android devices

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