WS824 (3)i,besides equipped with traditional switch function, also support the dual mode of computer operator, the extension number, automatic economic routing, mobile account management, Check list extension information, and other functions,and allow the user to get new experience of switch function, improve office efficiency.

Main Function

System capacity:4 Co lines and 16 Exts, cann’t expand.

Key phone:can be connect with 4PCS 4-core key phone.

VOIP voice channel number: 4 rount (between TDM and IP voice channels)

Number of IP concurrent:20

Number of SIP trunk:Can support 4 rount SIP trunk

 Number of SIP user:50(Use indefinitely)

performance parameter 

IP platform: LINUX embedded system and ASTERISK platform

IP standard:SIP2.0

IP Speech coding; PCMU/PCMA/G.729/iLBC/GSM

Busy tone of Co Line detection:5S

Dial-up decoding: The whole machine Shared 4 rount

Outgoing message:75S(6 section)

Exts lines with Caller ID display:DTMF

Co lines with Caller ID display:  DTMF/FSK(nosie<-30dB)

Dial mode: Double Audio Frequency

Hold/ music on hold: Outside line

The billing interface:Support

Crosstalk attenuation>70dB

Exts failure time effectively:80mS-800mS

Through the blackout:one rount,COL01 pass EXT08

Conference:2 groups(8 party or 3 party)

Leading Extension number: Support 1-8 full flexible

 Shenzhen Guowei  Cesller Technology Co.,Ltd,specialized in manufacturing group phone system products and communication equipment.Cesller is a high-tech enterprise whose headquarter lies in Canada. It is a diversified company setting design research and products development as a leader,including production, sales and service.

  3kg/pcs;  5pcs/CTN;  CTN size:69.5*37.5*29cm

  Shipping to worldwide by DHL, FEDEX, TNT and UPS etc.