General Information

• Weight: Approx. 560g, without footstand approx. 440g
• Dimensions: approx. without footstand 205x185x40 mm. with footstand 205x185x200/220 mm
• Dual-angle footstand: 46° and 28°
• Wall mountable
• Certification FCC Class B, CE marking
• Safety: IEC 60950-1:207, CB
• Power: PoE or 5V DC (SELV) power supply listed in the user guide
• Ethernet: 2 x IEEE 802.3/1 Gigabit switch
• 1 x LAN, 1 x PC: RJ 45
• USB Port 1 x type A, USB 2.0 Hi/Full/Low Seed-compatible host interface
• Handset: 4P4C connector
• Hearing aid compatible (HAC) handset
• Headset: (wired) 4P4C connector; wireless via Snom EHS Advanced
• Color: Anthracite gray

User Interface

• Localization (language, time, dial tone)
• Red LED for call indication / message waiting
• 4 context-sensitive keys
• 5 programmable function keys with green LEDs
• Paper inlay for labeling of function keys
• Dedicated message key
• Audio keys with LED indication: Mute, speakerphone, headset
• Volume key
• 4-way navigation key, OK and cancel keys
• Menu-driven user interface

Phone Functions

• 4 identities (lines)
• Directory with 1000 contact entries
• Import/export of directory
• Speed dialing
• URL dialing
• Local dial plan
• Automatic redial on busy
• Call completion (busy/unreachable)
• Caller identification
• Call waiting
• Call blocking (deny list)
• Blocking of anonymous calls
• Auto answer
• Lists of missed, received and dialed calls
• Hold
• Music on hold
• Handling of up to 12 simultaneous calls
• Blind and attended transfer
• Call forwarding
• 3-way conference on the phone
• Extension monitoring, call pickup
• Call park, call unpark
• Multicast paging
• DND mode (do not disturb)
• Mute microphone
• Keyboard lock
• Client Matter Code (CMC)
• Unified Communications ready

Web Server

• Built-in HTTP/HTTPS server
• Remote configuration/provisioning
• Dialing from web interface
• Password protection
• Diagnostics (traces, logging, syslog)

Security, Quality of Service

• HTTPS-Server/Client
• Transport Layer Security (TLS)
• SRTP (RFC3711), SIPS, RTCP
• VLAN (IEEE 802.1X)
• LLDP-MED, RTCP-XR
• VPN Support
• Web interface password protection

Codecs, Audio

• Wideband audio
• G.711 A-law, μ-law
• G.722 (wideband)
• G.726, G.729AB, GSM 6.10 (FR)
• Comfort Noise Generator (CNG)
• Voice Activity Detection (VAD)

SIP

• RFC3261 compliant
• UDP, TCP and TLS
• Digest authentication
• PRACK (RFC3262)
• Error Code indication
• Reliability of provisional responses (RFC3262)
• Early media support
• DNS SRV (RFC3263), redundant server support
• Offer/Answer (RFC3264)
• Message Waiting Indication (RFC3842),
• Subscription for MWI events (RFC3265)
• Dialog-state monitoring (RFC 4235)
• In-band DTMF/out-of-band DTMF/SIP INFO DTMF
• STUN client (NAT traversal)
• NAPTR (RFC 2915), rport (RFC 3581),
• REFER (RFC 3515))
• Bridged line appearance (BLA)
• Auto provisioning with PnP
• Presence/Buddy-list feature
• Busy lamp field support (BLF)
• Presence publishing

Installation

• Automatic software updates
• Automatic loading of settings via HTTP/ HTTPS/TFTP
• Completely configurable through web interface
• Remote management via TR-069/TR-111
• Easy WLAN binding via USB adapter
• Static IP, DHCP support
• NTP