VoIP Exchange China first four line skype exchange,Small and mid-sized businesses can now take advantage of Skype's free and low-cost Internet call rates with Wisecom's VoIP Exchange, the product allows Skype's Internet telephony service to be used in an office environment. This PBX add-on enables every phone extension in the office to make and receive Skype calls without any changes to existing PBX equipment, phones or user PCs, yielding major savings on both domestic long-distance and international calls. DataSheet Standard Manual Key Features: Use of Skype with DECT phones or other regular phones. Upgrade your regular phone set to be a PSTN/VoIP Dual mode phone. The standby mode is on PSTN channel (It is necessary for emergency calls such as 911) Supports 4 inbound and/or outbound calls concurrently Supports up to 10,000 pre-programmed speed-dial numbers Able to remotely configure the speed-dial phone book Centralizes all Skype activities to a single computer, simplifying account management, usage and billing Excellent sound quality Automatically finds a free line/port for the incoming or outgoing Skype call Works with the existing PBX to provide other telephony features such as Call Transfer, Call Pickup,Call Hold, Call Waiting, Conference Call etc. (PBX dependent) Software auto-detects new revision and generates a pop-up window on the computer screen