1985 - PEC developed the Check Calls system for the trucking companies. This allowed truck drivers to enter data using the Touch Tone telephones.

1987 - PEC developed Voice Mail and Auto Attendant systems for the trucking companies.

1988 - International Voice Exchange selected PEC to provide Voice Mail machines for the franchisees of the company.

1989 - Mobile Data Systems, later acquired by Motorola, started deploying the systems developed by PEC.

1991 - PEC introduced its line of Digital Voice Processing systems in the United States and Europe.

1992 - Portugal Telecom certified the digital PEC Voice Products for the Portuguese market.

1993 - The Czech Republic, Hungary, Poland, and Romania certified all of PEC's products.

1994 - BPL Telecom Ltd. of India, the Largest Telecom Group in India, selected PEC Voice Products for the Indian Market. The systems are used by Coca Cola, Oracle, Texas Instruments, Sheraton hotels, Bombay Cellular, IBM, and many other companies.

1996 - PEC introduces its line of Windows NT based voice products. PEC ships 60 units after the first month of product introduction.

1997 - PEC enhanced its product to support the Telephony Signaling 7, ISDN Europe. The applications for the product include: Voice Mail, Call Routing, Fax processing, Conferencing, Call routing, and Interactive Voice Response (IVR).

1998 - PEC introduces the Reminder™ package - helps the medical industry to make outbound calls to remind the patients for the appointment date and time.

1999 - PEC adds the features Voice to Email, Fax to Email, and Email notification to its software. Also PEC adds the multi-party conferencing feature to its messaging software platform.

2000 - PEC adds support for TNPP over the Internet. This feature is used by the paging companies.

2001 - Tecore Corporation, a premier manufacturer of cellular phone switches starts selling the messaging platforms from PEC along with their switches. PEC adds the Short Message Service (SMS) support to its software.

2002 - PEC introduces the CardSaver™ VoIP Billing and Call Management software to its line of telecom Products.

2003 - PEC opens its first office abroad in New Delhi, India. The India branch begins to promote sales throughout Southeast Asia.

2004 - PEC enhances its line of voice processing products to support inbound and outbound call center applications. The platform supports the legacy phone systems and links through the Internet protocol.

2005 - PEC enhances its Interactive Voice Response (IVR) product line to support the Internet link and XML messages. This feature allows third party developers to develop applications and use the PEC voice processing platform for telephony server.

2006 - PEC introduces its C-Server software product line. The C-Server is purely Internet based and has three modules: Calling Card, Call Shop, and Call Back. The C-Server obviates the need for expensive voice over Internet (VoIP) gateways and adjunct hardware.

2007 - PEC enhanced it VoiceSaver® software to work with voice processing components manufactured by Synway Technologies from China. Each component supports 240 ports of voice traffic.