APEX Voice Communications
Provides enhanced services solutions for TDM and IP networks including call processing, unified messaging, wireless email, and billing. Company and product information, newsletter.
http://members.madasafish.com/~palacecs/
http://www.commonlanguage.com/
http://www.globalmessagesystems.com/
http://www.infogateonline.com/
http://www.marben-products.com/
http://www.servicecentral.com/
http://www.telecorpproducts.com
http://www.teleplaza.com/Telemarketing/Callcenter/software.html