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IP-телефоны Cisco 8811 являются безотказными устройствами для коммерческого применения, которые сочетают многофункциональность, точность передачи звука. Устанавливаются в малых и средних организациях, признаны мощными и простыми в использовании. Выделяются оригинальным эргономичным дизайном.
Телефоны оснащены высококачественной аудио-акустикой и удобным пользовательским интерфейсом. Включают пять программируемых линейных клавиш, поддерживают следующие возможности: быстрый вызов, удержание, конференция. Отличаются расширенным экраном, энергоэкономичностью и безопасностью.
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Cisco Unified Communications Manager |
● 8.5.1 (Non-secured mode Only) ● 8.6.2 ● 9.1.2 ● 10.5.2 ● 11.0 and later |
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Cisco Unified Communications Manager Express |
● 10.0 and later through fast track |
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Cisco Business Edition 6000 (BE 6000) |
● 8.6.2 ● 9.1.2 ● 10.5.2 ● 11.0 and later |
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Cisco Hosted Collaboration Solution (HCS) |
● 8.6.2 and later (using supported UCM versions above) |
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Electronic hookswitch |
● You can control the hookswitch electronically with a third-party headset connected to an auxiliary port. |
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Quality-of-service (QoS) options |
● The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
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Network features |
● Session Initiation Protocol (SIP) for signaling ● Session Description Protocol (SDP) ● IPv4 and IPv6 ● User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams) ● Dynamic Host Configuration Protocol (DHCP) client or static configuration ● Gratuitous Address Resolution Protocol (GARP) ● Domain Name System (DNS) ● Trivial File Transfer Protocol (TFTP) ● Secure Hypertext Transfer Protocol (HTTPS) ● VLAN ● Real-Time Transport Protocol (RTP) ● Real-Time Control Protocol (RTCP) ● Cisco Peer-to-Peer Distribution Protocol (PPDP) ● Cisco Discovery Protocol ● LLDP (including LLDP-MED) ● Switch speed auto-negotiation |
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Security features |
● Secure boot ● Secure credential storage ● Device authentication ● Configuration file authentication and encryption ● Image authentication ● Random bit generation ● Hardware cryptographic acceleration ● Certificate Authority Proxy Function (CAPF) ● Manufacturer-Installed Certificates (MIC) ● Locally Significant Certificates (LSC) ● Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) ● Signaling authentication and encryption using TLS ● Media authentication and encryption using SRTP ● HTTPS for client and server ● Secure Shell (SSH) Protocol server ● Secure Sockets Layer (SSL)-based VPN client |
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Physical dimensions |
● 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) (excluding foot stand) |
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Weight (with handset) |
● 2.58 lb (1.17 kg) |
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Phone-casing composition |
● Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A |
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Operational temperature |
● 32 to 104°F (0 to 40°C) |
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Nonoperational temperature shock |
● 14 to 140°F (-10 to 60°C) |
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Humidity |
● Operating 10 to 90%, noncondensing ● Nonoperating 10 to 95%, noncondensing |