অনুসন্ধান করুন
Switchboard
01
কেন্দ্রাল টেলিফোন
the central part of a phone system by which phone calls in a hotel, office, etc. are answered and put through
উদাহরণ
The manifold switchboard managed connections for numerous telephone lines at once.
Before automated systems, operators manually connected calls using a switchboard.
