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Snom 720 Desk Telephone

For those requiring excellent audio and a large number of programmable keys

The 720 desk phone addresses the requirements of office users who call for high quality audio and a large number of programmable PBX-style keys. Three rows of general purpose keys with 18 two-color LEDs support implementation of traditional PBX system funcationality. Combining state-of-the-art hardware with proven SIP software, the 720 delivers excellent voice quality and durability plus rich telephony features for day-to-day usability.

For network connectivity, two Gigabit Ethernet ports connect to a VLAN enabled internal switch. The display supports international characters and content generated from the built in mini browser. Specially designed grips complement overall usability by eliminating noise associated with lifting and replacing the receiver. The foot stand allows two positions for the device (33° and 55° angle) for maximum comfort.

 

Quick Summary

  • Elegant design
  • 4 line B/W display
  • 18 multicolour LED function keys
  • 12 identities (lines)
  • Wideband HD audio
  • Handsfree operation/speakerphone
  • Power over Ethernet
  • WLAN / Bluetooth Headset ready
  • VLAN
  • Gigabit switch
  • 2 x Gigabit LAN ports
  • XML Minibrowser
  • USB Port

General Information

  • Weight: Approx. 900g, without footstand approx. 670g
  • Dimensions: approx. without footstand 238x190x40 mm. with footstand 238x190x220/220 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 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
  • Headset: (wired) 4P4C connector; wireless via Snom EHS Advanced
  • 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
  • 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

  • 12 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

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