PANASONIC KEY TELEPHONE KX-T7730
Specification
By using PABX KX-T7730 And All Line telkom will easily see which again Online, and more good again no callback was no call, so just a waste of time to pick up the phone there was no call. By using a PABX then all can be overcome in order to avoid excessive usage could use the PABX billing system that will call out the goal mengetahu where, long duration spoke, the date by which the telephone, what time his phone and there are many advantages using the PABX.