PBX (private branch exchange) is form of business telephone system that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public.

Most worthy part of PBX technology is its functionality wich (among other specifications) includes:
- auto attendant and interactive voice response
- custom greetings and welcome messages
- auto dialing and call distribution
- automated directory services (ext. number)
- call waiting, hold, transfer, forwarding on busy or absence, blocking, etc.
- conference call
- customised Abbreviated dialing (Speed Dialing)
- busy Override
- direct Inward Dialing
- direct Inward System Access (DISA) (outside telephone line access)
- do not disturb (DND)
- follow-me (a.k.a. find-me) - dials number list until answer or voice-mail
- hight service
- voice mail and shared message boxes (for department calls)
- auto voice-mail forward to e-mail
- many other automatic and manual services

As part of our service we can provide domestic and foreign phone and fax numbers to be used with PBX and your phone system.

Our PBX product includes full setup service according to your needs and desires.

For better privacy we can implement encryption system within PBX system so your phone conversations can be indeed private and secured (a.k.a. secured line system).

MEC PBX has small dimensions (H x W x D = 55 x 215 x 310 mm), low power consumption and it can fully serve up to 200 phone and fax lines.