The Official Manual of the Telecommunications Usersa#39; Association M. E. Corby, Michael E. Corby, E. J. Donohue, Malcolm ... 1.02 Private Automatic Branch Exchanges More commonly nowadays, a PBX is what is fully described as a PABXanbsp;...
|Title||:||Telecomms Users' Handbook|
|Author||:||M. E. Corby, Michael E. Corby, E. J. Donohue, Malcolm P. R. Hamer|
|Publisher||:||Nicholson - 1982|