Product Name: Intelligent PBX Product Description: PBX is a business communications system, an important part of a major role for the extension traffic handling, relay traffic handling, traffic control and management, voice prompt processing and network technology based on traffic processing, fiber-based digital relay processing and wireless mobile terminals, internal messaging, and other functions integrated. Extension traffic handling: divert calls, on behalf of the phone, leave the phone, busy transfer, no answer transfer, No Answer, Do Not Disturb, the basic application functionality manager secretary, meetings. Relay traffic handling: relay incoming answer mode, ringing extension settings. Traffic control and management: limited number dialed, restrict outgoing grade, outgoing records of call routing, recording, then a single, controlled costs. Voice prompt treatment: the boot process incoming dial the extension, the extension is busy, no answer, etc. prompted the state, and even leave a message. Internet phone deal: Ethernet broadband technology based VoIP applications (VOIP). Digital relay processing: E1,30B + D and other green voice telephony service access building blocks bureau, corporate virtual network. PBX advantage is: instead of the traditional office telephone, no wiring, no switches, no fees, one call, many call for corporate office. Products at the card and not the card two kinds of models