Dialogic is hardware and software to build telephony solutions, like PBX or IVR solutions. The hardware is designed to be put in computers. That way you can build cheap scalable solutions.
Dialogic was in tha begining a separate company and delivered hardware and software for diffrent computer hardwares. Now Dialogic is part of intel and all the hardware and software is now built for intel hardware. But are now back to being its own company.