What are the key differences between VoIP and traditional telephony?

Your Answer

How To Answer This Question?

This question is designed to gauge your technical knowledge of VoIP systems compared to traditional telephony. When answering, focus on the following key points:

1. Technology: Explain that VoIP uses the internet to transmit voice data, while traditional telephony uses circuit-switched networks.
2. Cost: Highlight that VoIP is generally more cost-effective, especially for long-distance and international calls, as it uses the internet.
3. Flexibility: Discuss how VoIP offers greater flexibility, such as the ability to make calls from any device with internet access and the integration with other internet services.
4. Quality and Reliability: Mention that while VoIP can offer high-quality voice communication, it is dependent on internet connection quality, whereas traditional telephony is often more reliable in areas with poor internet connectivity.
5. Features: Point out the advanced features available with VoIP, such as video calls, voicemail to email, and call forwarding, which are not typically available with traditional telephony.

Example Answer:

"VoIP and traditional telephony differ primarily in their underlying technology. VoIP transmits voice data over the internet, making it more cost-effective, especially for long-distance calls. It also offers greater flexibility, allowing users to make calls from any internet-enabled device and integrate with other services like video conferencing. However, VoIP's quality is dependent on the internet connection, whereas traditional telephony is often more reliable in areas with poor internet connectivity. Additionally, VoIP provides advanced features such as voicemail to email and call forwarding, which are not commonly available with traditional telephony."