The Snom 870 is a VoIP telephone for all modern people who need sophisticated future-oriented technology combined with the highest user friendliness. The large high-resolution TFT color display is not only larger than the one of its little brother snom 821, but it also offers an advancement in technical innovation: It is a touch screen with a unique intuitive user interface. Thus the Snom 870 enables the user to easily handle even complex applications like call swapping or establishment of conference calls for five participants via simple drag-and-drop.
Technical Specifications
General Information
· Weight: approx. 920 g (690 g without stand)
· Certificates: FCC Class B, CE Mark
· Security: IEC 60950-1:2001, CB
· Voltage: Input voltage 5V DC, max. 10 W
· Average power consumption with PoE: Approx. 2.3–2.6 W (without USB peripherals)
· Ethernet: 2 x IEEE 802.3/1 Gigabit Switch
· Power over network (PoE): IEEE 802.3af, Class 1
· 1 x LAN, 1 x PC: RJ45
· USB ports: 2 x type A, USB 2.0 Hi/Full/Low Speed- compatible host interfaces
· Handset: 4P4C connection
· Headset: 4P4C connector (wired) or wireless via snom EHS Advanced
· Colors: Black and light-gray
User Interface
· High resolution TFT touchscreen color display
· 4.3’’, 480 x 272 pixels, 24 bits color depth
· 29 keys, 5 LEDs
· 15 freely programmable virtual keys
· 12 variable function keys
· Comfortable and intuitive menu structure
· Call indication with LED
· Caller identification (by display picture)
· LED indication for missed and received calls and messages
· Address book with 2000 contact entries
· Speed dialing
· Local dial plan
· Lists of missed, received and dialed calls (each 100 entries)
· Indication of calls on hold
· Clock with automatic daylight-saving time, call duration
· Call blocking (deny list)
· Blocking of anonymous callers possible
· Call swapping during an ongoing call
· Auto answer
· URL dialing
· Selection of ring tones, VIP ring tones, integration of customized ring tones
· Localization
· Mute function
· Hands-free talking (full-duplex)
· Keyboard lock
· DND mode (do not disturb)
Additional Functions
· Hold
· Blind and attended transfer
· Music on hold
· Call forwarding
· 5-way conference on the phone
· Call park, call unpark
· Extension monitoring, call pickup
· Call completion (Busy/Unreachable)
· Client Matter Code (CMC)
· Call swapping
· Automatic redial on busy
· Multicast paging
· Multiple audio device support
· Unified Communications
Web Server
· Built in HTTP, HTTPS server
· Remote configuration/provisioning
· Dialing from the 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 802.1Q)
· LLDP-MED
Codecs, Audio
· Wideband audio
· G.711 a-law, μ-law
· G.722, G.723.1, G.726, G.729AB
· GSM 6.10 (full rate)
· Silence suppression / 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 (inband/out-of-band) as well as DMTF via SIP INFO
· STUN client (NAT traversal)
· Bridged line appearance (BLA)
· Auto provisioning with PnP
· Presence/Buddy-list feature
· Busy lamp field support (BLF)
Installation
· Automatic software updates
· Automatic loading of settings via HTTP/HTTPS/TFTP
· Completely configurable through Web interface
· Easy WLAN binding via USB stick
· Static IP, DHCP support
· NTP