SciDyn Press Release (01/22/01)

FOR IMMEDIATE RELEASE

INVESTOR CONTACT:
Thomson Financial IR
Holly Weer, 212/510-9282
holly.weer@tfn.com

SciDyn VoIP Technology Now Available for Call Control Solutions

Cherry Hill, NJ – (January 22, 2001) -- Science Dynamics Corporation “SciDyn” (NASDAQ: SIDY), a leading developer of Internet Protocol- based (IP) telephony solutions and services, announced today the availability of Voice over IP (VoIP) technology on its third generation of Call Control Solutions. This enhanced functionality will be demonstrated today at the ACA - American Correctional Association 2001 Winter Conference in Nashville, TN.

SciDyn’s third generation of Call Control Solutions follows the previous Collect Call Timing Device introduced in 1986 and current Commander models that serve more than 7,000 lines or 70,000 inmate beds nationwide.

“Today’s announcement demonstrates SciDyn’s innovative use of our own VoIP technology in vertical market applications,” said Joe Giegerich, Vice President of Sales and Marketing. “The ability to lower operational costs in multi- site installations is very significant for the industry.”

The System operates on SciDyn’s BubbleLINK® software architecture and offers the latest security and call control features to effectively manage inmate telephone calls. Features include a wide array of editable call control parameters, advanced call monitoring, real time call recording and SciDyn’s patented 3- way call fraud detection.

Headquartered in Cherry Hill, New Jersey, Science Dynamics Corporation (SciDyn) is a leading developer of telecommunications solutions. SciDyn’s IP telephony products enable the seamless connection between traditional circuit- switch based networks and the next generation of packet-based networks. Products include: The IntegratorC- 2000® series of IP Telephony Gateways; the Commander II Inmate Control phone system (also based on the IntegratorC- 2000® architecture) and the VFX- 200 series of Video over Frame Relay Access Devices (FRADs). Visit Science Dynamics’ website at http:// www. SciDyn. com.

Except for the historical information contained herein, this news release contains forward looking statements that involve risks and uncertainties, including the impact of the competitive products and pricing and general economic conditions as they affect the Company's customers. Actual results and developments may therefore differ materially from those described in this release.

###