Technical Data

General Information

• Weight: approx. 900g (670g without foot stand)

• Dimensions: approx. (mm)

238x190x40 (LxWxD) w/o footstand,

238x190x220 (LxWxD) with footstand

• Certifications: FCC Class B, CE Mark

• Safety: IEC 60950-1:2007

• Average power consumption with PoE:

Approx. 2.0–2.3 W (without USB

peripherals)

• Power over Ethernet/PoE:

 IEEE 802.3af, Class 2

• Power: Input voltage 5V DC, max. 5 W

(adapter not included) (1)

• 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

Speed-compatible host interface

• Handset: 4P4C connector

• Headset: (wired) 4P4C connector; wireless

via USB adapter (2) or snom EHS Advanced (3)

• Color: Anthracite gray

USER INTERFACE

• Graphical four-line display

• 128 x 48 pixels

• 18 freely programmable keys 4 variable

 function keys

• Comfortable and intuitive menu structure

• Call indication with LED

• Caller identification

• LED indication for missed and received

 calls and messages

• Directory with 1000 contact entries

• Import/export of directory

• Speed dialing

• Lists of missed, received and dialed calls

 (100 entries each)

• Call waiting indication

• Clock with automatic daylight-saving time

• Call blocking (deny list)

• Blocking of anonymous calls

• Handling of up to 12 calls simultaneously

• Auto answer

• URL dialing

• Selection of ring tones, VIP ring tones,

 integration of
customized ring tones

• Localization

• Do not disturb (DND)

• Hands-free talking

• Keyboard lock

ADDITIONAL FUNCTIONS

• Hold

• Music on hold (4)

• Blind and attended transfer

• Call forwarding

• 5-way conference on the phone

• Call park, call unpark (4

• Extension monitoring, call pickup (4)

• Call completion (Busy/Unreachable) (4)

• Client Matter Code (CMC) (4)

• Automatic redial on busy

• Multicast paging

• Multiple audio device support

• Unified Communications ready

WEB SERVER

• Built in HTTP, HTTPS server

• Remote configuration/provisioning

• Dialing via Web browser

• 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

Codecs, Audio

• Wideband Audio

• G.711 A-law, μ-law

• G.722, G.726, G.729AB, GSM 6.10 (full rate)

• 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)

• 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