VoIP provider- VoIP gateway with 2~6 ports FXS, FXO interface, SIP phone, VoIP & IP phones, E1/ T1 trunk gateway, SIP proxy servers, IP PBX, VoIP IVR, VPN router with VoIP solution, NAT with VoIP functions, softphone, IAD that supported both H.323, SIP protocol, billing VoIP, VoIP recorders, IP call centers, telephone gateways, USB & LAN phones, IP centrex applications, VoIP cO sides, border gateways, wellgate.

telecommunication equipments, network devices, VoIP provider- (1) enterprise VoIP solutions- MOSA 4600 series: advance VoIP gateway (with local switching), MOSA 4500 series: MGCP VoIP gateway (with dual modes), FONEMOSA 4400/4400+ series: IP PBX. (2) SOHO, SME & residential VoIP solutions- FONEMOSA 4300 Series: SIP VoIP gateway (with dual modes), FONEMOSA 4200/D series: gatekeeper-less VoIP gateway, MOSA 3700 series: SIP VoIP gateway. (3) carrier VoIP solutions- NETMOSA 4000 series: global IP network server, FONEMOSA 4260/4230/4216/4208 Series: digital/analog VoIP trunk gateway. (4) value-added VoIP telephony service- e-access service: global inbound service.

telecommunication equipments & networking systems- (1) DECT ( digital enhanced cordless telecommunications) wireless phone systems. (2) access control phones. (3) PBX & PABX system, IP PABX, IP PBX, key phone systems, PBX and PABX equipments, VoIP solutions, PABX wireless, CTI systems, PBX small, office & home PBX, PBX SIP, PBX SOHO, PC PBX, small business PBX, VOIP PBX system, VOIP PBX systems, GSM gateway.

Shenzhen Cesller Technology Co., Ltd. is manufacturing a wide range of group-phone system including SIP PBX, 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.