Tipikus Automatikus Kígyó private automatic branch exchange pabe Normális esetben automatikusan legkorábbi
What is a PBX Phone Sytem? How it Works & Best Features | RingCentral Blog UK
Al Imtedad - Private Automatic Branch Exchange (PABX) A private automatic branch exchange (PABX) is an automatic telephone switching system within a private enterprise. Originally, such systems - called private branch exchanges (
What is PABX - PBX? - Private automatic branch exchange