Phone VoIP Cisco CP-8841-W-K9 chính hãng

CP-8841-W-K9= Specifications

● Abbreviated dialing

● Adjustable ring tones and volume levels

● Adjustable display brightness

● Agent greeting

● Auto-answer

● Auto-detection of headset

● cBarge

● Busy Lamp Field (BLF)

● Busy Lamp Field (BLF) Pickup

● Busy Lamp Field (BLF) speed dial

● Callback

● Call forward

● Call forward notification

● Call filter

● Call history lists

● Call park

● Call pickup

● Call timer

● Call waiting

● Call chaperone

● Caller ID

● Corporate directory

● Conference, including traditional Join feature

● Cross Cluster Extension Mobility (EMCC)

● Direct transfer

● Extension mobility

● Fast-dial service

● Forced access codes and client matter codes

● Group call pickup

● Hold

● Intercom

● Immediate divert

● Malicious-caller ID

● Message-waiting indicator (MWI)

● Meet-me conference

● Mobility

● Music on hold (MoH)

● Mute

● Network profiles (automatic)

● On- and off-network distinctive ringing

● Personal directory

● PickUp

● Predialing before sending

● Privacy

● Private Line Automated Ringdown (PLAR)

● Redial

● Ring tone per line appearance

● Service Uniform Resource Locator (URL)

● Shared line

● Silent monitoring and recording

● Speed dial

● Time and date display

● Transfer

● Uniform Resource Identifier (URI) dialing

● Visual voice mail

● Voice mail

● Whisper coaching

● 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

● 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

● SSL-based VPN client

● Nonoperating 10 to 95%, noncondensing

● Bulgarian (Bulgaria)

● Catalan (Spain)

● Chinese (China)

● Chinese (Hong Kong)

● Chinese (Taiwan)

● Croatian (Croatia)

● Czech (Czech Republic)

● Danish (Denmark)

● Dutch (Netherlands)

● English (United Kingdom)

● Estonian (Estonia)

● French (France)

● French (Canada)

● Finnish (Finland)

● German (Germany)

● Greek (Greece)

● Hebrew (Israel)

● Hungarian (Hungary)

● Italian (Italy)

● Japanese (Japan)

● Latvian (Latvia)

● Lithuanian (Lithuania)

● Korean (Korea Republic)

● Norwegian (Norway)

● Polish (Poland)

● Portuguese (Portugal)

● Portuguese (Brazil)

● Romanian (Romania)

● Russian (Russian Federation)

● Spanish (Columbia)

● Spanish (Spain)

● Slovak (Slovakia)

● Swedish (Sweden)

● Serbian (Republic of Serbia)

● Serbian (Republic of Montenegro)

● Slovenian (Slovenia)

● Thai (Thailand)

● Turkish (Turkey)