Technical details

Audio features

G.711 a-law and mu-law, G.722, G.729a/b, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC), G.722.1, G.772.2, OPUS
A full-duplex speakerphone for flexibility in placing and receiving calls with hands free
Automatic Gain Control
Comfort Noise Generation
Silence Suppression/Voice Activity Detection
Acoustic Echo Cancellation (AEC)
Dynamic Noise Reduction

Telephony features

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

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
SSL-based VPN client

Size (H x W x D): 228.78 mm x 257.34 mm x 98.39 mm (9.01 in x 10.13 in x 3.87 in)

User interface

An easy-to-use interface that provides a traditional telephony-like user experience
The 800 × 480, 24-bit color, 5-in. WVGA display provides scrollable access to calling features and text-based XML applications

The 8845 has the following keys:

Cisco applications

Cisco Unified Communications Manager:

Cisco Unified Communications Manager Express (Unified CME):

Cisco Business Edition 6000 (BE 6000):

Cisco Hosted Collaboration Solution (HCS):

Language support: Arabic, Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, French, French, Finnish, German, Greek, Hebrew, Hungarian, Italian, Japanese, Latvian, Lithuanian, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Slovak, Swedish, Serbian, Serbian, Slovenian, Thai, Turkish

Power: PoE on the phone is IEEE Power over Ethernet class 2. The phone is compatible with both IEEE 802.3af and 802.3at switch blades and supports both Cisco Discovery Protocol and Link Layer Discovery Protocol - Power over Ethernet (LLDP-PoE)

Compliance