Description

Basics

Product information

• IP desk phone D335|black|PN 00004390
• Operating system: Linux

Placement: indoor, desktop, wall mounting

Dimensions and weight

Dimensions (L × W × H, approx.)

• 198 mm × 198 mm × 120 mm

Weight (approx.):

• 800 g

Display and indicators

Display

• TFT liquid crystal display (LCD), tiltable, true colour, backlit
• Size (diagonal): 2.7″ (69 mm)
• Size (W × H): 54 mm × 41 mm
• Resolution: 320 × 240 pixel

10 LED indicators

• Call status indication: 1 red LED
• Message waiting indication (MWI): 1 red LED
• Function key status indication: 8 multicolour LEDs

Keypad and function keys

41 hard keys in total

• 12 keys (standard ITU telephone keypad)

• 4-way navigation key

• 4 context-sensitive function keys

• Programmable function keys

  • 8 SmartLabel key (with multicolour LED)

  • Key mapping of up to 32 functions (8 keys × 4 pages)

• 5 dedicated audio keys

  • Mute

  • Speakerphone

  • Headset

  • Volume + / (rocker)

• 8 dedicated function keys

  • Ok

  • Cancel

  • DND

  • Message (with red LED)

  • Directory

  • Menu

  • Transfer

  • Page

Audio devices, codecs and features

• Speakerphone mode: Full duplex, HD audio

Corded handset

• Microphone | Handset earpiece

• Hearing aid compatible (HAC)

Audio codecs

• G.711 (A-law, μ-law), G.722, G.726, G.729AB, GSM 6.10 (FR)

Dual-tone multi-frequency signalling (DTMF / RFC2833)

• SIP-INFO, in-band, out-of-band

Related features

• Built-in assignable ringtones

• Comfort Noise Generator (CNG)

• Voice Activity Detection (VAD)

Interfaces and connections

Power options

• Power over Ethernet (PoE)

  • IEEE 802.3af, class 3 | IEEE 802.3az³

• Power adapter¹

  • 100 – 240 V AC, 50 – 60 Hz | 5 V DC (SELV), 2 A, 10 W

Wired interfaces

• Power adapter: coaxial power connector (socket)

• Network connectivity:

• 2 × RJ45-8P8C (NET/PC) sockets → Gigabit Ethernet (GbE)
• USB headsets and other accessories:

  USB 2.0 type A port

• Corded handset: RJ9-4P4C socket

• Headset: RJ9-4P4C socket

• EHS adapter:¹ 

  RJ12-6P6C socket

Wireless interfaces

• WLAN: optional via A210¹

Sensors

• Hook switch sensor

• Ambient light sensor

• Proximity sensor

User interfaces and setup

Configuration and setup via menu-driven web user interface (WUI)

• Password-protected login
• Secure web server/client (HTTPS)

Configuration and setup via menu-driven phone user interface (PUI)

Computer telephony integration (CTI)

• uaCSTA over SIP, CSTA over HTTP(S)

Automatic configuration via provisioning

• Loading of settings and firmware via HTTP, HTTPS, TFTP
• Supported DHCP provisioning options 66 / 67
• Secure Redirection And Provisioning Service (SRAPS) support
• Plug & Play (PnP) support
• Remote management via TR-069 / TR-069 Annex G (TR-111)

Customisation

• XML browser

Localization

• Languages
• Time zone, dial tone

Diagnostic

• SIP / PCAP trace
• Syslog

Networking technologies and protocols

Network technologies

• OpenVPN, VLAN (IEEE 802.1q)

VoIP related protocols and techniques

• SIP, SDP, RTP, RTCP, RTCP-XR, SIP REFER method (RFC 3515), rport (RFC 3581), ENUM, ICE, STUN

Secure VoIP protocols

• SIPS (SIP over TLS), SRTP, SRTCP

Network protocols

• IPv4 / IPv6 (dual stack), DHCP, NTP, LDAP, LLDP-MED, HTTP, TFTP, L2TP

Secure network protocols

• TLS V1.2, HTTPS, IEEE 802.1X (EAPoL)

Remote management protocols

• TR-069, TR-069 Annex G (formerly TR-111), uaCSTA over SIP, CSTA over HTTP(S)

Directory support and call features

12 SIP identities / accounts

• Up to 12 simultaneous calls

Directory support

• LDAP (server-based directory)
• Local directory with up to 1,000 entries

Outgoing call features

• Speed dialling via function keys
• URL dialling
• Local dial plan
• Redial (via dialed calls list)
• Automatic redial on busy
• Caller identification (CLIP)
• Calling Line Identification Restriction (CLIR)
• Call completion (busy/unreachable)²
• Intercom
• Multicast paging

Incoming call features

• Call waiting/swapping
• Call barring/blocking: deny list, anonymous calls, Do Not Disturb (DND) mode
• Auto answer
• Call diversion

Connected call features

• Mute microphone
• Hold
• Music on hold²
• Blind call transfer
• Attended call transfer
• 3-way local conferencing
• Call park / unpark²
• Client Matter Code (CMC)²

Related features

• Call history lists of missed, received, dialed, rejected, and deflected calls
• Extension monitoring (Busy lamp field), call pickup²

Interoperability

Certified VoIP partner

Environmental conditions

Operating ambient temperature: 0 °C – +35 °C

Nonoperating (storage) temperature: -10 °C – +45 °C

Humidity (non-condensing): 5 % – 95 %

Package contents

Hardware

• IP desk phone D335
• Footstand
• Corded handset
• Ethernet cable

Documentation

• Quick Installation Guide
• GNU General Public License

Snom accessories and compatible devices

Power adapter

• Snom 10 W PSU (PN 00004570)

USB dongle

• WLAN: A210 (PN 00004384)
• DECT: A230 (PN 00004386)

EHS adapter

• EHS Advanced 2.0 (PN 00002362)

Wired headset via RJ9

• Binaural: A100D (PN 00004342), A310D (PN 00004626)
• Monaural: A100M (PN 00004341), A310M (PN 00004624)

Wired headset via USB

• Binaural: A330D (PN 00004598)
• Monaural: A330M (PN 00004597)

DECT headset via RJ9

• A170 (PN 00004387)

DECT headset via USB (DECT)

• A150 (PN 00004388)

Expansion module

• D3 (EoS) (PN 00004327)⁴

Wireless conference speakerphone (USB)

• C300 (PN 00004584)