The SIP based audio system iSpeaker B20 utilizes the built-in paging capability already inherent in most modern IP PBX systems and enhances this to improve end user experience by providing a dedicated high performance digital amplifier on which to broadcast announcements or play background music.

It is an ideal solution to deploy in all types of environments including schools, offices, airports, and other public spaces. For additional functionality, an IP video camera can be connected to iSpeaker B20 and the resulting high definition images are transmitted to monitors located in assigned rooms.

The SIP based, ZYCOO iSpeaker B20 is compatible with any brand of SIP Phones so an announcement via iSpeaker B20 can easily be effected by initiating a call from a SIP phones via its handset, headset or handsfree mode. The 10 Watt amplifier will provide sufficient coverage to the assigned rooms or spaces.

Aside from announcement, remote access to the web interface provides remote control and configuration of your iSpeaker B20 if the unit is located in other rooms or floors. Additionally there are 4 freely programmable pins that can be used for controlling the peripheral devices around iSpeaker B20.

Basic Features

  • Support G.711,G.722,G.723,G.726,G.729 audio codecs;
  • Support SIP2.0 (RFC3261)and related RFC protocol;
  • The DSP integrated echo cancellation and noise suppression can provide excellent voice;
  • Easy management and configuration from Web interface;
  • Support encrypted communication;
  • Online update of software.


Telephony ProtocolSIP 2.0(RFC3261)
Keypad ExpansionSupport 4×6 for a total of 24 keys.
LCD ExpansionSupport SPI mode (Custom)
VoiceMicrophone1 onboard connector
Speaker Output10W
Speaker Impedance
DSPSupport echo cancellation and noise suppression
Voice StreamSupported protocolRTP
CodecG.711,G.722,G.723,G.726,G.729, etc.
Other InterfaceInput Power12V/2A DC
LAN2×10/100BASE-T s Auto-MDIX, RJ45
GPIO4 programmable output pins
EnvironmentOperation Temperature0°C to 40°C
Storage Temperature-40°C to 70°C
Humidity10% to 95%,No Dew

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