500 ENTREPRENEURSHIP CASE
EXHIBIT 4 How a Voice Portal WorksSOURCE: Tellme Web site, 2000. http://tellme.comNuance Communications. Creates speech-recognition software. Used by Tellme and BeVocal.
Lernaut & Hauspie. Creates speech-recognition and translation software. Used by Tellme.
Speechworks International. Creates speech-recognition and translation software. Used by
Quack.com. Also, Yahoo! plans to use Speechworks’ software to convert text messages (e-mail)
into voice. AOL holds minority stake in the company.
Phone.com. Merged with Software.com and renamed Openwave Systems, Inc., in November- Openwave serves over 150 communications service providers with an aggregate of over
500 million subscribers. The new firm’s portfolio of products includes wireless Internet
infrastructure and browsers, unified messaging, mobile e-mail, directory services, voice
processing, synchronization, and instant messaging.
Lucent (MCS). Creates a voice platform believed to be more scalable than competitors. Used by
Phonerun.
EXHIBIT 5 Infrastructure Companies Supporting the Voice Portal Market (2000)