Calls from IP-hardware...
GregPhone services based on the VoIP (Voice over IP) technology and SIP protocol. Supported codecs: G711a, G711u, G729a, G726, G723. Customer’s equipment must have SIP protocol supported and connected to GregPhone PBX over internet.
IP-telephone and IP-adapter are the hardware devices with that you can use all functions of GregPhone network. With this device you get normal office or home telephone with Prague telephone number and with the best calling prices.
IP-telephone Linksys SPA2002 looks like usual telephone, but it is connected not to telephone line – but to local network (to your router, switch or ADSL-modem) by the Ethernet-cable and working independent of your computers.
IP-adapter Linksys SPA2002 have the same functionality and connects to your local network, but looks like a small box, into that you can connect one or two any analog phones.
More information about connection to GregPhone network you can find here.