Economic SIP Phone Carrier class voice quality Software upgrade online automatically 3-way conference Cost-effectiveEIT200 series are carrier-grade SIP phone with high performance-price ratio, it supports SIP protocol and supports voice and data integrated services, complying with the trend of Internet development. There are two models with different appearance: EIT200 and EIT201, please refer to the above product pictures for the appearance. EIT200 series SIP phone have been widely used by VoIP operators, Telco operators, enterprise groups, and end users. FEATURES AND BENEFITS Support 3-way conferenceEIT200 and EIT 201 are able to support 3-way conference with high voice quality. Carrier-grade voice qualityEIT200 series SIP Phone adopts carrier-grade design and implementation, the voice quality is nearly the same with PSTN voice quality. ALLYWLL technology apply, anti-block ( Optional )ALLYWLL technology apply, anti-block, and facts prove that SIP phone can be used under different scenario, providing customer with multi choice/chance. Safety and ReliabilityAdministrator authentication mechanism. ALLYWLL technology apply, anti-block. FreeLink Technology apply, hot backup. 7 years history, more than 1 million ports delivered. Easy MaintenanceEIT200 series SIP phone support to manage standalone by telnet, web. It also supports upgrade online automatically by a central Provision server. Cost effectiveEIT200 series SIP phone is economic but provide various high performance services, perfect fit for operators, enterprise groups, and end users. 7 years mature hardware and software, large scale application, China R&D and manufacturing cost, make it cost-effective choice for customers all over the world.