- A Computer Telephony Solution for LANs
- Active Voice
- Alliance Systems
- Ambit's Voice Processing - Computer Telephony Guide Main Page
- Amcat Teleprofit
- American Network Systems, Inc.
- APEXhome.html
- Ariel Corporation
- Ascend Communications, Inc.
- AT&T Advanced Speech Products Group
- Bellcore
- Broadband Telephony Buyer's Guide
- Centigram
- Computer Telephony Buyers Guide
- Computer Telephony Integration - Benefits
- Computer Telephony Solutions, Software, and Systems Integration
- Coresoft Technologies
- CTI Developer's Registry
- CTI Group Holdings
- Data Race, Inc.
- Davox
- DAX Systems Computer Telephony & Speech Recognition
- Dialogic WorldView - Making Computer Telephony Happen
- Dragon Systesm-Speech Recognition and Speech Technology
- DSP Group, Inc.
- ECTF
- eFusion,Inc.
- Enterprise Integration Group (EIG) - CTI, IVR, VRU, RFP
- Evolving Systems, Inc.
- Executone Information Systems, Inc.
- Explicit
- Flatiron
- Genesys
- IEX Corporation
- iTEK, Inc.
- IVR Inc. - Cutting Edge IVR & CTI Solutions
- Lernout & Hauspie Speech Products
- Lexicat-Communication Terms
- MasterMind Technologies Inc.
- MediaSoft Telecom
- Melita® International Corporation
- Millennia Software
- Mitel Corporation
- MVIP Site
- Natural Microsystems
- NetPhonic
- Nortel Website - A World of Networks
- Novell World Wide
- Octel - About Octel
- OnLive! Technologies
- Parity Software
- Periphonics Corporation
- PeriWire - Periphonics Corporation
- PGPfone
- Phonetics
- Praxis International
- PureSpeech, Inc.
- Siemens In the USA
- Spanlink
- SynreVoice Technologies Inc.
- Syntellect Interactive Communications
- Sytel
- T-Netix
- TAA
- Teleos Communications, Inc.
- Telephony
- Teligent
- Teloquent (Index)
- TRT
- TrueSpeech as Standard
- Universal Interactive Systems
- Virtual Voice - The Internet Telephony Companion
- VocalTec
- Voice on Net
- Voice Recognition & Voice-activated Medical Reporting from Kurzweil AI
- VoySys