
snom 220
VoIP telephone for
superior communication
The new snom 220 extends the high end
of the snom VoIP phones business line, which
have been specially designed for the small and
medium-sized enterprise segment.
The snom 220 is a high-end affordable
business phone, which addresses the
communication needs of power users such as
executive and administrative staff who require
high standards from communication systems.
Convenience is guaranteed by the 128 x
64 pixel graphical backlight display. The snom
220 is easy and intuitive to use thanks to its 4
dynamic context sensitive soft keys, which guide
the user through call features and functions.
With the key expansion module (Keypad
220), call coverage and management are easy
to handle. You can cascade up to three units to
the snom 220.
With its VoIP phones and software systems,
snom ensures customers comfort, quality, open
standards and cost effectiveness. To optimize
productivity and comfort, the snom 220 system
telephone can also be used with a headset.
Advanced features such as UPnP, STUN, ENUM
and an extra Ethernet port are supported.
The snom 220 fullfills all requirements in
a dynamic field. It has been designed to grow
with your infrastructure. It can be integrated
with components from different vendors and
a centralized update mechanism can keep
the phone automatically up-to-date, reducing
operating costs and ensuring a secure return on
your investment.
www.snom.com
1

Technical Data
• Certifications: FCC Class B, CE Mark Commercial
• Dimensions: ca. 25.5 x 21 x 9,5 cm (10 x 8
3
3/4
”)
1/4
x
• Weight: ca. 802 g
• Operating humidity: 10% to 85%, Non-Condensing
• Storage humidity: 5% to 90% Non-
Condensing
• Operating temperature: 0°C to 40°C
(32°F to 104°F)
• Power: 48 V
• Storing temperature: -20°C to 70°C
(-4°F to 158°F)
Connectors:
• Network: RJ45 (Ethernet)
• PC: RJ45 (Ethernet)
• Handset: RJ14 Standard Handset Connector
• Headset: Standard Computer Headset and RJ
Connector Headset
• Power: Center pin+
User Interface
• Display: Graphical 128 x 64 pixels
• 34 keys, 6 LEDs, 4 soft keys
• Last calls (100 entries)
• Address book (100 entries)
• Address book Import/Export
• Number guessing, speed dialing,
• Missed calls, dialed calls
• Call waiting indication
• Clock, call-timer
• Caller-ID
• Call blocking (Deny List)
• Two lines (default)
• Programmable function keys ( with
expansion module up to 65 keys)
• Menu-driven user interface
• Selectable ringing melodies
• National language support (NLS)
• Asian language support (ALS)
• Log in/log out
• URL Dialing support
• Do not disturb
• Speakerphone (Half Duplex)
• Auto answer mode
• UTF8-encoded Caller-ID (ALS)
• Multi-Line registration†
Call Features
• Hold
• Blind transfer, Attended transfer
• Music on hold support
†
• Divert
• Call intrusion
• Conferencing
• Call park†, Call pick-up
• Call completion
†
Web Server
• Embedded web server
• Easy configuration of the phone, remote configuration
• Dial from web interface
• Password protection
• Diagnostics (tracing, logging)
• Images can be downloaded from Internet for slow
connections
• Probability registrations
• Compatible with Microsoft™ Messenger™
Codecs
• G.711 aLaw, Law
• G.729A, GSM 6.10 (Full rate)
• GIPS (optional)
• 48 kHz, 16 bit audio hardware
• In-band DTMF
• Out-of-band DTMF (RFC2833)
SIP
• RFC3261 compliant
• UDP and TCP support
• Digest authentication
• Loose routing and strict routing support
• Error-information support
• Reliability of provisional responses (RFC3262)
• DNS SRV (RFC3263), redundant server support
• Offer/answer (RFC3264)
• Message waiting indication reception, subscription for
• MWI events (RFC3265)
• Session-Timer
• Dialog-State
• In-band and out-of-band DTMF
• STUN client (NAT traversal)
• UPnP client (NAT traversal)
• ΕNUM (RFC3261)
• ΝAPTR (RFC2915)
• rport (RFC3581)
• REFER (RFC3515)
• Outbound proxy support, initial route
H323
• Fast start, early start
• H.245 tunneling
• H.450.2 (call transfer), H.450.3 (divert), H.450.4
(hold), H.450.5 (call park/pickup), H.450.7 (message
waiting indication), H.450.9 (call completion),
H.450.11 (call intrusion)
• Short message reception
• Out-of-band DTMF negotiation
• User input indication via H.245
• PBX codes (conference, pickup, divert, hold, transfer)
• Alternate Gatekeeper support
• Automatic Gatekeeper detection
• Configurable gatekeeper TTL
• Automatic settings retrieval from Gatekeeper
• Gateway or Gatekeeper mode
• Facility based supplementary services
• Gateway/External line prefix support
Installation
• Static IP provisioning, DHCP
• http client for configuration
• Automatic software update
• Completely automatic installation from web
• Daylight saving time
Ethernet
• 2 port with switch included (802.3 10/100 BT half
duplex/full duplex with autosense)
• Power over LAN support & IEEE 802.3af
† SIP only
* in preparation
** 3rd party OEM product
Presence
†
• Presence indication
© 2003 snom technology AG
All rights reserved.
Version 1.0 (01 Nov 2003)
Europe & ROW:
snom technology AG
Pascalstr. 10B
10587 Berlin, Germany
Phone: +49 (30) 39833-0
Fax: +49 (0) 39907839
mailto:info@snom.de
http://www.snom.com
sip:info@snom.com
USA and Americas:
snom USA Representation
ABP International, Inc.
1203 Crestside Dr.
Coppell, Texas 75019, USA
Phone: +1-972-831-0280
sip:usa@snom.com
mailto:usa@snom.de
India and SAARC:
snom technology (India) Pvt Ltd.
No. 417, International Trade Tower
Nehru Place, New Delhi-110019
Phone: +91 11 26234097
Fax: +91 11 26234079
http://www.snomindia.com
mailto:info@snomindia.com
sip:india@snom.com