Cisco CP-7841

Cisco CP-7821

Specification summary:

  • Ethernet switch
  • The phone has a 10/100/1000 BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for a downstream Ethernet device connection like a PC.
  • Power Features
  • The phone supports IEEE 802.3af PoE (Class 1); power consumption does not exceed 3.84 watts.
  • Codec support
  • G.711a/μ, G.722, G.729a, iLBC
  • Quality-of-service (QoS)
  • The phone supports CDP 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.
  • Security
  • Certificates
  • Image authentication
  • Device authentication
  • File authentication
  • Signaling authentication
  • Media encryption using Secure Real-Time Transfer Protocol (SRTP) using AES-128
  • Signaling encryption using Transport Layer Security (TLS) Protocol using AES-128 or AES-256
  • Encrypted configuration files
  • 802.1X authentication
  • Cryptography

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