Quick DetailsPlace of Origin: Guangdong,Website:http://www.voipphonetech.com, China (Mainland) Brand Name: LCB Model Number: spa921 Type: VoIP Phone Item: ip phone Certificate: CE,FCC,ROHS Color: black Warranty: 1 year Display Screen: 128 x 64 LCD line: 1 Ethernet: 1portPackaging & DeliveryPackaging Details:in normal packageDelivery Detail:3 daysProduct DescriptionFeatures:- SIP Phone SPA921- SPA921 Unified SIP Phone with standard headset- 1x total line VoIP speakerphone- 1x Line network RJ45Specification:SIP Phone SAP921The  IP Phone  SPA921 is a cost-effective, entry-level IP phone that addresses the need for basic voice communications with common  Unified Communications features in an attractive design that is also budget-friendly. The phone can fill the communication needs of cubicle, retail, classroom, manufacturing floor and hallway, as well as various wall-mounted deployments. The single-line SIP Phone  SPA921 supports one calls per line. Fixed keys for redial, transfer, and hold/resume, along with a full-duplex speakerphone and two-line display, which comes standard, deliver a more productive, easier-to-use, and flexible endpoint experience. With its dual-port 10/100 Ethernet switch for network and PC connections, the SIP Phone  SPA921 offers IT organizations a cost-effective solution to reduce cabling infrastructure and administration costs at the desktop.This is a refurbished, tested, unlocked Linksys SPA-921 SPA921 Voice over IP telephone with 1 phone line. These items are in great condition with handset with cord, AC power supply, and plastic stand. This is what you need to connect to Vonage, Broadvoice, or other VoIP providers, or to use with your own VOIP SIP PBX, such as Asterisk. This unit is ready to be programmed. No problems with the LCD display, they are fully readable. PoE; no power supply required. AC power supply is provided.Bring a graphic dimension to your Internet telephony with Linksys SPA921's high-resolution display. Part of Linksys  Small Business IP Phone Series, the SPA921 IP Phone includes a high-resolution display, speakerphone, and a 2.5 mm headset port.The SPA921 supports one line with two call appearances, as well as three-way conferencing, attended call transfer, and call hold. Utilizing its Ethernet port, the line can be configured as a unique phone number or extension, or can be configured to share a number that is assigned to multiple phones.Linksys - SPA921 1 Line Voice over IP Business Phone  Supported Protocols: SIP This unit is not locked to any service provider and is fully compatible with Asterisk.Product Description: Stylish and functional in design, the SPA921 VoIP telephone is ideal for a residence or business using a hosted IP telephony service, an IP PBX, or a large scale IP Centrex deployment. The SPA-921 leverages industry leading VoIP technology from Linksys to deliver an upgradeable high quality IP Phone that is unparalleled in features, value, and support.Standard features on the SPA941 includeone active lines, single Ethernet port,  a high resolution graphical display, speakerphone, and a 2.5 mm head-set port.  FeaturesManufacturer LinksysInterfaces/Ports RJ-45 100Base-T Interfaces/Ports Sub-mini phone HeadsetManufacturer Part Number: SPA921-NADimensions 6.3" Height x 7.68" Width x 7.09" DepthProduct Name SPA-921 IP PhoneWeight 2.15 lbProduct Type IP PhoneTech SpecsDisplay Screen 128 x 64 LCD - Pixel Based Monochrome Graphical DisplayManufacturer LinksysInterfaces/Ports RJ-45 100Base-TInterfaces/Ports Sub-mini phone HeadsetAdditional InformationFeatures:Easy installation and secure remote provisioning. Menu based and web based configurationConnect directly to an Internet Telephone Service Provider or connect to an IP PBXVAD - Voice Activity Detection with Silence SuppressionBuilt-in Speakerphone and MicrophoneAttenuation / Gain AdjustmentsMenu Driven User InterfaceAdaptive Jitter Buffer