SNOM C520 - WiMi - Conference system

Benefits
· Two detachable DECT wireless microphones with
a range of up to 50 metres
· Full-duplex hands-free talking
· Wideband audio transmission
· Bluetooth connectivity for two devices, such as a
mobile phone or a headset
· Mute function on the telephone and microphones
· Multi-coloured LEDs to indicate the status
· Perfect for home-offices, small companies and
multi-room conference calls
· Can be expanded with up to three
C52-SP (1) wireless hands-free units
Firmware
Features
· 3 SIP identities/accounts
· Call lists for dialled, received and missed calls
with 200 entries
· Local directory with 200 entries
· Multiple language support
· DTMF in-band / out-of-band and SIP-INFO
· Interoperable with all major IP PBX platforms
Call features
· Speed dialling
· Local dial plan
· Call waiting
· Call blocking (automatic denial)
· Hold
· Call transfer
· Call forwarding synchronised with the server,
do not disturb mode (DND)
· CLIP, CLIR
· Conference calling with three participants
Setup
· Configuration via web interface
· Provisioning:
· PnP
· Automatic loading of settings via
HTTP/HTTPS/TFTP
· Regular or weekly settings synchronisation
· DHCP Options 66, 159, 160
· Snom secure redirection service
· Password-protected configuration files
Specifications
Protocols
· SIP (RFC3261)
· DHCP, (S)NTP
· HTTP / HTTPS / TFTP
· STUN
· LDAP (server-based directory)
· XSI (server-based directory)
Audio
· Codecs:
· G.711 A-law, μ-law
· G.722 (wideband)
· G.726
· G.729
· Echo suppression
· CNG (Comfort Noise Generator)
· Automatic gain control (AGC)
User interface
· Graphical backlit display (158 x 57 pixels)
· Localization (language, time zone, dial tone)
· 3 context-sensitive keys
· LED status lights (call, mute, Bluetooth, etc.)
· Microphone: mute function on telephone or
microphones
· Volume key
· 4-way navigation key, Ok key and Cancel key
· Menu-driven user interface
Security
· 802.1X authentication (with automatic provisioning)
· Transport layer security (TLS)
· SRTP (RFC3711), SIPS, RTCP
· HTTPS
· Password-protected web interface and administration
· VLAN (IEEE 802.1Q)
· LLDP-MED