iSpeaker B20

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.


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. If special or higher voice quality is required then ZYCOO hardware echo cancellation module is an excellent choice.
Easy management and configuration from Web interface.
Support encrypted communication;
Online update of software


Basic Information 
Telephony Protocol: SIP 2.0(RFC3261) 
Keypad Expansion: Support 4×6 for a total of 24 keys.   

Microphone: 1 onboard connector 
Speaker Output: 10W 
DSP: Support echo cancellation and noise suppression  

Voice Flood 
Supported protocol: RTP 
Codec: G.711,G.722,G.723,G.726,G.729, etc.. 

Other Interface 
Input Power: 12V/2A DC 
LAN: 2x10/100BASE-T s Auto-MDIX, RJ45 
RS232: Optional 
GPO: 4 programmable output pins 

Operation Temperature: 0℃ to 40℃  
Storage Temperature: -40℃ to 70℃  
Humidity: 10% to 95%,No Dew 


Inner box  265mm × 115mm × 60mm
G.W./unit  0.5 KG



Name Version Size Release Date Download
iSpeaker B20 Datasheet V1.0 695.51 KB May. 28, 2015
SIP SPeaker UserManual V1.0.0 921.88 KB Jun, 04, 2015