Snom C520 SIP Conference Phone

You Save:$39.05
SKU: # OTH-80-S041-00-010


You Save:$39.05


Snom C520 SIP Conference Phone

SIP Conference phone with 3 Accounts Backlit Display and LED Status Lights

  • Two detachable DECT wireless microphones with a range of up to 50 metres
  • Full-duplex hands-free talking
  • Wideband audio transmission
  • Bluetooth connectivity for two devices, such as a mobile phone or a headset
  • Mute function on the telephone and microphones
  • Multi-coloured LEDs to indicate the status
  • Perfect for home-offices, small companies and multi-room conference calls
  • Can be expanded with up to three C52-SP (1) wireless hands-free units
Full-duplex speaker

Snom HD Voice transmits sound via high-quality speakers while the inbuilt microphone provides crystal clear voice quality.


Supports up to 3 SIP identities with simultaneous call management. Bluetooth and DECT technology also allow compatible devices as well as smartphones to be connected.

Snom HD Voice

G.722 wideband codec for crystal clear HD quality calls.

Up to 70 hours of standby time

The built in batteries on the wireless microphones can run continuously for up to 12 hours without recharging or up to 70 hours in standby mode.

Smart Conference

With its modern and sleek design, the C520 fits seamlessly into your working day. Two detachable DECT microphones can be positioned freely or carried in the room as required to ensure the best sound and voice quality. Built-in charging stations with magnetic bays directly on the base station mean both microphones are always charged and ready for use in the next meeting. The conference phone also features automatic volume control and digital noise reduction so that all call participants can be understood in best sound quality.

Wireless expansion

The Snom C520 grows to meet your demands: Even the largest conference rooms can be connected to the base station with the addition of up to three C52 wireless speaker units for a significant increase in range.

Snom quality

Snom has been developing high-quality VoIP phones for 20 years to meet the expected standards of products bearing the “made in Germany” stamp. Our strengths are well-established stable systems, attention to detail and solutions that are elegant, practical and good value.


3 SIP identities/accounts

Call lists for dialled, received and missed calls with 200 entries

Local directory with 200 entries

Multiple language support

DTMF in-band / out-of-band and SIP-INFO

Interoperable with all major IP PBX platforms

Bluetooth protocol HFP, HSP, A2DP, AVRCP / Bluetooth connectivity for two external devices
Call features

Speed dialling

Local dial plan

Call waiting

Call blocking (automatic denial)

Hold Call transfer

Call forwarding synchronised with the server, do not disturb mode (DND) CLIP, CLIR

Conference calling with three participants

Protocols SIP (RFC3261) DHCP, (S)NTP HTTP / HTTPS / TFTP STUN LDAP (server-based directory) XSI (server-based directory)
Audio Codecs: G.711 A-law, µ-law G.722 (wideband) G.726 G.729 Echo suppression CNG (Comfort Noise Generator) Automatic gain control (AGC)
User interface Graphical backlit display (158 x 57 pixels) Localization (language, time zone, dial tone) 3 context-sensitive keys LED status lights (call, mute, Bluetooth, etc.) Microphone: mute function on telephone or microphones Volume key 4-way navigation key, Ok key and Cancel key Menu-driven user interface
  • Conference-call device
  • 2 wireless DECT microphones with batteries
  • Power adapter
  • 2 Ethernet cables
  • Quick installation guide