Basics

• Operating system: Linux
• 3-year warranty
• Wall mountable

Dimensions & Weight

• Dimensions (L x W x H, approx.)
•    205 mm x 185 mm x 40 mm w/o footstand
•    205 mm x 185 mm x 220 mm at high angle
•    205 mm x 185 mm x 200 mm at low angle
• Weight (approx.)
•    830 g with footstand
•    710 g w/o footstand
• Inclination
• High angle 46°
• Low angle 28°

Call Features

• 6 SIP identities / accounts
• Up to 6 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)
• Intercom
• Multicast paging
• Incoming call features
• Call waiting/swapping
• Call barring/blocking: via deny list, Anonymous calls
• Auto answer
• Call diversion
• Do Not Disturb (DND) mode
• Connected call features
• Mute microphone
• Hold
• Music on hold
• Blind call transfer
• Attended call transfer
• 3-way local conferencing
• Call park / unpark
• Client Matter Code (CMC)
• Related features
• Call history lists of missed, received, dialed, rejected, and deflected calls
• Extension monitoring, call pickup

Display & Indicators

• Display: TFT liquid crystal display (LCD), highcolour, backlit, graphic 2.8" (67 mm) display size (diagonal)
• Resolution: 320 x 240 pixel
• 5 LED indicators
• 1 red LED for call status indication
• 4 multicolour LEDs for function key indication

Keypad & Function Keys

• 38 hard keys in total
• Standard ITU telephone keypad: 12 keys with star and pound/hash key
• 5-way navigation key
• 4 context-sensitive function keys
• Programmable line / function keys
• 4 self-labelling keys with multicolour LED
• 5 dedicated audio keys
• 'Mute', 'Speakerphone', 'Headset', 'Volume + / -' (rocker)
• 8 dedicated function keys
• 'Ok', 'Cancel', 'DND', 'Message', 'Directory', 'Menu', 'Transfer', 'Hold'
• Related features
• Keyboard lock

Audio Devices, Codecs & Features

• Corded receiver
• Hearing aid compatible (HAC)
• Audio codecs
• G.711 (A-law, μ-law), G.722, G.726, G.729, GSM 6.10 (FR)
• Dual-tone multi-frequency signalling (DTMF)
• in-band, out-of-band, SIP-INFO
• Related features
• Built-in assignable ringtones
• Comfort noise generator (CNG)
• Voice activity detection (VAD)

Interfaces & Connections

• D713 power options:
•      Power over Ethernet (PoE), IEEE 802.3af, class
•      Power adapter: 100 - 240 V AC / 50 - 60 Hz | 5 V DC (SELV) / 2 A / 10 W 1
• Wired interfaces:
•      1 coaxial power adapter connector
•      2 RJ45-8P8C Gigabit Ethernet ports
•      1 RJ9-4P4C standard connector for corded receiver
•      1 RJ9-4P4C standard connector for wired headset connection
•      1 RJ12-6P6C EXT connector for Snom EHS adapter

Package Contents

• Desk phone unit
• Footstand
• Corded receiver
• 1.5 m (5 ft) Ethernet cable
• Quick Installation Guide (QIG)
• GNU General Public License

Technologies & Protocols

• Network technologies: OpenVPN, VLAN (IEEE 802.1Q)
• VoIP related protocols and techniques: SIP (RFC 3261), SDP (RFC 3261), RTP (RFC 8866), RTCP (RFC 3550), RTCP-XR, SIP REFER method (RFC 3515), rport (RFC 3581), ENUM, ICE, STUN (RFC 5389)
• Secure VoIP protocols: SIPS (SIP over TLS), SRTP (RFC 3711), 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)

User Interfaces & Setup

• Configuration and setup via menu-driven web user interface (WUI)
• Password-protected login
• Secure web server/client (HTTPS)
• Languages
• Configuration and setup via menu-driven phone user interface (PUI)
• Languages
• 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
• Remote management via TR-069 / TR-069 Annex G (formerly TR-111)
• Plug & Play (PnP) support
• Localization
• Timezone
• Dial tone
• Related features
• XML browser