A technology that enables voice calls to be made over the internet instead of traditional phone lines.
Here’s a more detailed explanation:
What it is:
VoIP converts analog voice signals into digital data and transmits them over IP networks, such as the internet. It allows individuals and businesses to make phone calls using broadband connections, often at a lower cost and with more advanced features than traditional telephony.
How it works:
When a user speaks into a VoIP-enabled device (like a softphone, IP phone, or mobile app), their voice is digitized and broken into small data packets. These packets are transmitted over the internet and reassembled at the recipient’s end in real time. VoIP systems can use SIP trunks, hosted PBXs, or peer-to-peer connections to route and manage calls, often with features like call forwarding, voicemail, and video integration.
Benefits:
- Cost savings: Lower call rates — especially for long-distance or international calls.
- Flexibility: Make and receive calls from any internet-connected device.
- Scalability: Easily add or remove lines without new hardware.
- Advanced features: Access to voicemail-to-email, call analytics, IVR, and more.
- Unified communications: Integration with video, messaging, and CRM tools.
Key components:
- VoIP devices: IP phones, softphones, or mobile VoIP apps.
- SIP trunks or VoIP providers: Manage call routing and connectivity.
- Internet connection: Transmits voice data packets between users.
- PBX or cloud system: Directs calls, manages features, and stores settings.
- Codecs: Convert voice to compressed digital formats for transmission.
Why it’s beneficial:
VoIP gives businesses and individuals a modern, flexible alternative to traditional phone systems. It reduces operational costs, supports remote and hybrid work, and enables powerful communication features — all while maintaining high-quality voice interactions.