Điện thoại IP 4-line Desktop Business Polycom VVX 250 (2200-48820-025)
- Partnumber: 2200-48820-025.
- Điện thoại IP để bàn VVX 250 là thiết bị 4-line, với 2 cổng Ethernet 10/100/1000 Mbps (Gigabit) và hỗ trợ PoE.
- Thực hiện các cuộc gọi tự nhiên và sống động hơn với công nghệ Polycom HD Voice.
- Màn hình màu 2.8 inch mang lại trải nghiệm hấp dẫn, hiển thị thông tin trực quan dễ dàng.
- Hai cổng Ethernet Gigabit giúp tiết kiệm chi phí và mang lại hiệu suất tốt hơn.
- Cổng USB cho phép người dùng truyền dữ liệu nhanh chóng.
- Tích hợp với hơn 60 nền tảng quản lý cuộc gọi hàng đầu trong ngành.
- Công cụ cấu hình dựa trên web giúp việc quản trị, nâng cấp và bảo trì điện thoại VVX 250 trở nên dễ dàng trong suốt vòng đời của nó.
- Thiết bị không đi kèm bộ cấp nguồn.
Thông số kỹ thuật
| User interface features | - 2.8-inch color LCD screen (320x 240 pixel resolution) - Voicemail support1 - WebKit-based browser - Adjustable base height - Unicode UTF-8 character support - Single USB port (2.0 compliant) for media and storage applications - Multilingual user interface including Chinese, Danish, Dutch, English (Canada/US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish |
| Audio features | - Polycom® HD Voice™ technology delivers lifelike voice quality for each audio path handset, the hands-free speakerphone, and the optional headset - Polycom® Acoustic Clarity™ technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression - Type 1 compliant (IEEE 1329 full duplex) - Frequency response-150 Hz-7 kHz for handset, optional headset and handsfree speakerphone modes - Codecs: G.711 (A-law and μ-law), G.729AB, G.722, G.722.1, iLBC - Individual volume settings with visual feedback for each audio path - Voice activity detection - Comfort noise generation - DTMF tone generation (RFC 2833 and in-band) - Low-delay audio packet transmission - Adaptive jitter buffers - Packet loss concealment - OPUS support |
| Headset and handset compatibility | - Dedicated RJ-9 headset port - Hearing aid compatibility to ITU-T P.370 and TIA 504A standards - Compliant with ADA Section 508 Subpart B 1194.23 (all) - Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids - Compatible with commercially-available TTY adapter equipment |
| Call handling features | - 4 lines (programmable line keys) - Shared call/bridged line appearance - Busy Lamp Field (BLF) - Flexible line appearance (1 or more line keys can be assigned for each line extension) - Distinctive incoming call treatment/ call waiting - Call timer and call waiting - Call transfer, hold, divert (forward), pickup - Called, calling, connected party information - Local 3-way audio conferencing 1-touch speed dial, redial - Remote missed call notification - Do not disturb function - Electronic hook switch capable - Local configurable digit map/dial plan |
| Open application platform | - WebKit-enabled full browser that supports HTML5, CSS, SSL security, and JavaScript - Supports Polycom Apps SDK and API for third-party business and personal applications - Bundled with Polycom UC Software: - Corporate directory access using LDAP - Visual Conference Management |
| Network and provisioning | - SIP Protocol Support - SDP - IETF SIP (RFC 3261 and companion RFCs) - Two-port gigabit Ethernet switch 10/100/1000Base-TX across LAN and PC ports - Conforms to IEEE802.3-2005 (Clause 40) for Physical media attachment - Conforms to IEEE802.3-2002 (Clause 28) for link partner auto-negotiation - Manual or dynamic host configuration protocol (DHCP) network setup - Time and date synchronization using SNTP - FTP/TFTP/HTTP/HTTPS server-based central provisioning for mass deployments - Provisioning and call server redundancy supported1 - QoS Support-IEEE 802.1p/Q tagging - (VLAN), Layer 3 TOS, and DHCP - VLAN-CDP, DHCP VLAN discovery, - LLDP-MED for VLAN discovery - Network address translation support for static configuration and “keep-alive” - SIP signaling - RTCP and RTP support - Event logging - Syslog - Hardware diagnostics - Status and statistics reporting - IPv4 and IPv6 - TCP - UDP - DNS-SRV |
| Security | - 802.1X Authentication and EAPOL Media encryption via SRTP - Transport layer security) - Encrypted configuration files - Digest authentication - Password login - Support for URL syntax with password for boot server address - HTTPS secure provisioning - Support for signed software executables |
| Power | - Built-in auto sensing IEEE 802.3af Power over Ethernet (Class 2) 4.5W (Max) - External Universal AC/DC Adapter (optional) 5VDC @ 3A (15W) - ENERGY STAR® rated |
| Approvals | - FCC Part 15 (CFR 47) Class B - ICES-003 Class B - EN55032 Class B - ISPR32 Class B - VCCI Class B - EN55024 - EN61000-3-2; EN61000-3-3 - NZ Telepermit - Korea KCC3 - UAE TRA - Russia CU3 - Brazil ANATEL3 - Australia RCM - South Africa ICASA3 - Saudi Arabia CITC - China CCC3 - RoHS Compliant |
| Safety | - UL 60950-1/62368-1 - CE Mark - CAN/CSA C22.2 No 60950-1/62368-1-1 - EN 60950-1/62368-1 - IEC 60950-1/62368-1 - AS/NZS 60950-1 |
| Operating conditions | - Temperature: 0 to 40°C (+32 to 104°F) - Relative humidity: 5% to 95%, noncondensing |
| Storage temperature | -40 to +70°C (-40 to +160°F) |
| Size (WxHxD) | 24cm x 23cm x 5.7cm |
| Weight | 0.890kg |
- Bảo hành: 12 tháng.
