What is the difference between VoIP, CTI and IP telephony?

What is the difference between VoIP, CTI (Computer Telephony Integration) and IP telephony?

Published: 17 Nov 2006

What is the difference between VoIP, CTI (Computer Telephony Integration) and IP telephony?

Step 2 of 2:

You forgot to provide an Email Address.

This email address doesn’t appear to be valid.

This email address is already registered. Please log in.

You have exceeded the maximum character limit.

Please provide a Corporate Email Address.
- I agree to TechTarget’s Terms of Use, Privacy Policy, and the transfer of my information to the United States for processing to provide me with relevant information as described in our Privacy Policy.
Please check the box if you want to proceed.
- I agree to my information being processed by TechTarget and its Partners to contact me via phone, email, or other means regarding information relevant to my professional interests. I may unsubscribe at any time.
Please check the box if you want to proceed.

VoIP is going to be voice-only. You add telephony -- either of the last two -- and you add things like text, fax and other services that are not available to voice-only. It also will provide you with a far better ROI -- in particular you have many automation possibilities with a fully integrated system. The options are especially attractive with IP telephony vs. VoIP if you add universal messaging.

IP telephony (Internet Protocol telephony)

What is the difference between IP telephony and VoIP?

Migrating from PBX to VoIP: A hybrid VoIP approach

Three use cases that highlight the benefits of VoIP