telecommunication equipments & networking systems- (1) CTI platform- GDS ( global digital System), ISDN digital telephone systems. (2) CTI companion- internet based software packages, System managers, access & telephone managers, contact manager, call accounting systems. (3) digital control telephone System, hybrid dual systems, key telephones. (4) VoIP, TAPI, PSTN, ISDN, E1, T1, DID, E&M, voice mails, caller ID, SMDR, LCR, IP PBX, PBX systems, wireless PBX.

Shenzhen Cesller Technology Co., Ltd. is manufacturing a wide range of group-phone System including GDS System, PBX phone System, asterisk PBX, hosted PBX, VOIP PBX System, small business PBX. We are always trying to develop market all over the world. And our international market places are including Middle East, Africa and Asia by now, domestic market places are distributed cities all over China. There are sole agents at all of provinces, direct jurisdiction cities, self governed districts and about one thousand dealers. Sale Quantity of our products is getting bigger and bigger in recent years and has become one of famous brand at the same field in China. If you are interested, please feel free to contact with us or you can email to us.