Voice over Internet Protocol, also called IP telephony
 is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol networks, such as the Internet.

제품교환 10000원

10,000원

MWP 1100 / MWP 2500 배터리

15,000원

16,000원

다산 헤드셋 보급형

37,000원

38,000원