Điện thoại IP 6-line Polycom VVX 311 (2200-48350-019)
- Part number: 2200-48350-019.
- Điện thoại để bàn VVX 311 hỗ trợ 6 line, tích hợp công nghệ âm thanh HD Voice, hỗ trợ Gigabit Ethernet và được cấp bản quyền Polycom UCS SfB/Lync.
- Thực hiện các cuộc gọi tự nhiên và rõ ràng hơn với công nghệ Polycom HD Voice.
- Màn hình màu 2.8 inch, cung cấp trải nghiệm trực quan hấp dẫn, hiển thị thông tin nhanh chóng.
- Hai cổng Ethernet Gigabit mang lại lợi ích về hiệu suất và giúp tiết kiệm chi phí.
- Cổng USB cho phép người dùng truyền dữ liệu nhanh hơn.
- 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 311 trở nên đơn giản suốt vòng đời của nó.
- Thiết bị không đi kèm bộ cấp nguồn.
Thông số kỹ thuật
| User interface features | - 3.2 in Backlit 8-level Grayscale graphical LCD (208 x 104) resolution - Voicemail support1 - WebKit-based browser - Adjustable base height - Unicode UTF-8 character support. 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 pathhandset, the hands-free speakerphone, and the optional headset2 - 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 |
| 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 | - 6 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 Ethernet switch + 1000Base-TX available on VVX 310 + 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 Diffserv/DSCP - 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) - External Universal AC adapter (optional), 48VDC 0.3A |
| Approvals | - FCC Part 15 (CFR 47) Class B - ICES-003 Class B - EN55022 Class B - CISPR22 Class B - VCCI Class B - EN55024 - EN61000-3-2; EN61000-3-3 - NZ Telepermit - Korea KC3 - UAE TRA4 - Russia CU4 - Brazil ANATEL4 - Australia RCMOHS compliant - RoHS CompliantOH |
| Safety | - UL 60950-1 - CE Mark - CAN/CSA C22.2 No 60950-1 - EN 60950-1 - IEC 60950-1 - AS/NZS 60950-1 - ICASA (add) - CITC |
| 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 (W x H x D) | 19 x 15 x 18 cm |
| Weight | Unit weight: 2.0 lbs (0.9 kg) |
- Bảo hành: 12 tháng.
