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Snom 320 2 Line LCD 47 Keys SIP IP Phone

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About this item

The Snom 320 2 Line LCD 47 Keys SIP IP Phone is ideal for the office and everyone who spends a lot of time on the phone, the Snom 320 is an affordable, yet powerful SIP business phone with built-in, full-duplex speakerphone and three-party conference bridging. A 2 x 24 semi-graphic LCD display and menu-driven user interface support an uncomplicated feature management. 12 programmable keys with LEDs support quick access to important extensions. Call list and address book can contain up to 100 entries each and entries can be added and changed easily. Other features like blocking anonymous calls, downloading ringtones, auto-answer mode, DND mode and other features are only examples from an abundance of functions which make phone use convenient and comfortable while increasing productivity. Additional applications like CTI further enhance the functionality. Installing the Snom 320 is childs play and possible on the phone itself as well as by remote configuration. Further advantages are extensive Codec support and wide-ranging compatibility with SIP components made by other manufacturers. The support of STUN, NAT, ENUM and numerous other functions allows flexible utilization behind local proxies, IP PBXs and hosted VoIP services. Concerning security, the Snom 320 protects you with SRTP and TLS against wiretapping and unwanted access to signaling and authentication data. The Snom 320s built-in three-way conference bridge eliminates external devices and services while offering high audio quality and minimal latency. These savings together with the Snom 320s very low energy consumption (1.0 to 1.5 w-hrs in standby) and PoE (Power over Ethernet) truly help to lower your costs.

Key Features

  • Tiltable semi- graphical two-line display
  • 47 keys, 13 LEDs
  • 12 programmable function keys
  • Power over Ethernet
  • Speakerphone
  • Headset connection
  • SIP RFC3261
  • Security: SIPS/SRTP, TLS
  • Codecs: G.711, G.729A, G.723.1, G.722, G.726, GSM 6.10 (full rate)
  • 2 x IEEE 802.3 10/100 Mbps switch
  • Handling of up to 12 calls simultaneously
  • XML driven mini browser
  • Very low energy consumption
  • Expansion module available
  • Unified Communications ready
  • 2x24 character, tiltable semi-graphical display with backlit
  • 47 keys, 12 programmable function keys with LEDs (54 with the expansion module)
  • Caller-ID
  • Message waiting indication LED
  • Directory (100 entries)
  • Directory import/export
  • Speed dialing
  • Local dial plan
  • Number guessing

Technical Specs

Codecs Supported G.711 A-law, u-law
G.722, G.729A, G.723.1, G.726
GSM 6.10 (full rate)
Comfort noise, voice activity detection
SIP 1 RFC3261 compliance
Digest/basic authentication
Error-information support
Reliability of provisional responses (RFC3262)
Early media support
DNS SRV (RFC3263),
Offer/answer (RFC3264)
Message Waiting Indication (RFC3842),
Dialog-state monitoring (RFC 4235)
In-band DTMF/out-of-band DTMF/SIP INFO DTMF
STUN client, ICE (NAT traversal)
SIP 2 ENUM (RFC3261), NAPTR (RFC2915), rport (RFC3581), REFER (RFC3515)
Bridged line appearance (BLA)
Auto provisioning with PnP
Busy lamp field support (BLF)
Installation Automatic software update
Automatic settings retrieval via HTTP/HTTPS/TFTP with authentication
Installation via web interface
Remote management via TR-069/TR-111
Static IP provisioning, DHCP
Handset 4P4C connector
Headset (wired) 4P4C Connector; wireless via snom EHS Advanced
Web server Embedded web server HTTP/HTTPS
Remote configuration/provisioning
Dial from web interface
Password protection
Diagnostics (tracing, logging, syslog)
Expansion Module Proprietary snom connector
Ethernet 2x IEEE 802.3 10/100 Mbps switch
Power over Ethernet IEEE 802.3af, Class 1
Power Input voltage 5V DC, max. 5 W (adapter not included)
Average power consumption with PoE Approx. 2.4-3.2 watts
Security, Quality of service HTTPS (server/client)
Transport Layer Security (TLS)
VLAN (IEEE 802.1X)
Certifications FCC Class B, CE Mark
Dimensions 250x200x120mm / 9.84x7.87x4.72"
Weight 920g / 32.45oz
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