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VoIP Software with Virtual Extensions (2026) - Page 3

Last updated: April 2026

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57 software options

Tresta logo

Business communication, simplified.

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Tresta is a virtual phone system with unlimited calling and texting and powerful call management features.

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Zentrunk logo
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Cloud-based SIP trunking solution for firms of all sizes

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Zentrunk is a cloud-based session initiation protocol (SIP) trunking solution designed to help businesses of all sizes setup voice over internet protocol (VoIP) based business communication system. The platform also offers prepackaged templates which enable users to integrate SMS functionality.

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iTeleCenter logo
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A Virtual Phone System for Entrepreneurs & Small Businesses

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iTeleCenter is a cloud-hosted virtual phone system with call forwarding, voicemail, texting, extensions for departments & employees, online faxing and many more

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3C Plus logo
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Call center software for managing telephony operations

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3C Plus is a cloud-based platform that helps companies manage telephony operations. It facilitates integration with CRM systems and enables businesses to control operations to gain productivity and prevent resource utilization on unsuccessful calls.

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Fastcall logo
(0)

Salesforce CTI: Native Phone Dialer + SMS

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FOR SALESFORCE TEAMS: Fastcall CTI is a native app built for and dedicated to Salesforce. Powered by Twilio, Fastcall increases productivity & improves customer service with advanced features such as Call Routing, IVR, Call Recording, Omni-Channel, SMS & MMS. High-Velocity Sales and Call Insights.

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Nvoip logo
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Connecting businesses and customers.

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Nvoip is a communication platform that helps businesses communicate better with their customers.

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Digital Tide logo
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White-label cloud PBX for telecom operators

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Digital Tide offers white-label cloud PBX solutions designed for telecom operators including mobile operators, fixed-line operators, MVNOs, and OTT operators. The platform features complete customization with operator branding, carrier-grade infrastructure, and integration capabilities through Trunk or SIP connections. The solution supports both cloud and on-premise deployment options and includes localized interfaces for different markets.

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