1.Use Skypro400A You can
1)call skype without PC.
2)Seamless integration of Skype service into office existing PBX system without any change.
3)Supports 4 lines Skype call in and call out at the same time.
4)Unique enterprise Skype account as hunt group with automatic distribution for all incoming Skype calls.
5)Up to 16 digits Skype contact speed-dials.
6)Powerful web visit for contacts management and log check.
7)Uses only one Windows account to handle 4 Skype accounts.
8)Supports 4 inboundand/or outbound calls concurrently.
9)Automatically finds a free line/port for the incoming or outgoing Skype call.
10)Works with the existing PBX to provide other telephony features,such as CallTransfer,Call Pickup,Call Hold, Call Waiting,ConferenceCall etc.(PBXdependent).
11)support web base mangerment interface,support Microsoft IE 6.0

2.Skypro Specifacation
1)RJ-11 Port: 4(connect normal phone or out line of PBX)
2)RJ45 Port: 1 (Ethernet port,support pppoe)
3)USB Port: 2 (1 for 802.11x)
4)Power button: 1
5)Led light: 2
6)Dimension: 220mm（L）260 mm（W）×50 mm（H）
7)OS: Embedded OS