VI2006 VoIP phone is an entry level desktop phone terminal which adopts SIP or IAX2 protocols and multiple voice compression codec to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide PSTN quality voice service. With Broadcom solution, it offers high quality voice stream , compatible with various Platforms such as Asterisk , FreePBX , Broadsoft , Cisco call manager etc. The Style of VI2006 are exactly in accordance with other phones VI2006 series , which is close to the business environment and is solid and reliable