General Information

• Weight: Approx. 760g, without footstand approx. 640g
• Dimensions: approx. without footstand 205x185x40 mm
• Dimensions: with footstand 205x185x200/220 mm
• Certification FCC Class B, CE marking
• Safety: IEC 60950-1:2007
• Power: PoE or 5V DC power supply listed in the user guide
• Ethernet: 2 x 10/100 Mbps switch
• Power over Ethernet (PoE): IEEE 802.3af, Class 1
• 1 x LAN, 1 x PC: RJ 45
• Handset: 4P4C connector
• Headset: (wired) 4P4C connector; wireless via Snom EHS Advanced
• Color: Black

User Interface

• Four-line display, BW, 128 x 48 pixels
• 5 freely programmable keys, 4 variable function keys
• Menu-driven user interface
• Comfortable and intuitive menu structure
• Localization (language, time, dial tone)
• Call indication with LED
• Selection of ring tones, VIP ring tones, integration of customized ring tones
• LED indication for missed calls, waiting messages, and calls on hold
• Speakerphone
• Multiple audio device support
• Clock with automatic daylight-saving time
• Call timer (call duration)

Phone Functions

• 4 identities (lines)
• Directory with 1000 contact entries
• Import/export of directory
• IPv6
• 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 4 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

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
• Static IP, DHCP support
• NTP