Technical Specifications
General Information
· Weight, with footstand: approx. 900 g without footstand: approx. 670 g
· Certifications: FCC Class B, CE Mark
· Average power consumption with PoE: 2.0-2.4 W (without USB peripherals)
· 1 x LAN, 1 x PC: RJ45 (Ethernet)
· Power: Input voltage 5V DC, max. 10 W
· Ethernet: 2 x IEEE 802.3/1 Gigabit Switch
· Power over Ethernet: IEEE 802.3af, Class 2
· USB port: 1 x type A, USB 2.0 Hi/Full/Low Speed-compatible host interface
· Handset: 4P4C connector
· Headset: (wired) 4P4C connector or wireless via snom EHS Advanced
· Colors: Black and light-gray
User Interface
· High-resolution TFT color display
· 3.5”, 320 x 240 pixels
· 37 keys, 9 LEDs
· 4 freely programmable keys, 4 variable function keys
· 12 freely programmable virtual keys
· Comfortable and intuitive menu structure
· Incoming call indication via LED
· Caller identification on display
· LED indication for missed calls and new messages
· Directory (up to 1000 entries)
· Import/export of directory
· Speed dial
· Local dial plan
· Lists of missed, received,and dialed calls (250 entries each)
· Indication of calls on hold
· Clock with automatic daylight-saving time, call duration
· Call blocking (deny list)
· Blocking of anonymous calls
· Handling of up to 12 calls simultaneously
· Auto answer mode
Additional Functions
· Hold
· Unattended and attended transfer
· Music on hold
· Call forwarding
· 5-way conferencing (bridge on phone)
· Call park, call unpark
· Extension monitoring, call pickup
· Call completion on busy/not available
· Client Matter Code (CMC)
· Call waiting/switching between calls
· Automatic redial on busy
· Multicast paging
· Multiple audio device support
· Unified Communications with snom CTI und snom OCS edition
Web Server
· Built in HTTP/HTTPS web server
· Remote configuration/provisioning
· Dial from web interface or snom CTI
· Password protection
· Diagnostics (tracing, logging, syslog)
Security, Quality of Service
· HTTPS (server/client)
· Transport Layer Security (TLS)
· SRTP (RFC 3711), SIPS, RTCP, VLAN (IEEE 802.1Q)
· LLDP-MED
Codecs, Audio
· Wideband audio
· G.711 a-law, μ-law
· G.722, G.723.1, G.726, G.729AB
· Comfort noise generation (CNG)
· Voice activity detection (VAD)
SIP
· RFC 3261 compliant
· UDP, TCP, and TLS
· Digest/basic authentication
· Loose routing and strict routing
· PRACK (RFC 3262)
· Error information support
· Reliability of provisional responses (RFC 3262)
· Early media support
· DNS SRV (RFC 3263), redundant server support
· Offer/Answer (RFC 3264)
· Message Waiting Indiation (RFC 3842), subscription for MWI events (RFC 3265)
· Dialog-state monitoring (RFC 4235)
· In-band/out-of-band/SIP INFO DTMF
· STUN client (NAT traversal)
· NAPTR, (RFC 2915), rport (RFC 3581), REFER (RFC 3515)
· Event list subscription support (RFC 4662)
· Bridged line appearance (BLA)
· Auto provisioning with PnP
· Presence/Buddy-list feature
· Busy lamp field support (BLF)
· Presence publishing
Installation
· Automatic software updates
· Automatic settings retrieval via HTTP/HTTPS/TFTP
· Configuration via web interface
· Remote management via TR-069/TR-111
· Easy WLAN binding via USB adapter
· Static IP, DHCP
· NTP