Shenzhen Guowei Cesller Technology Co., Ltd., founded in 1996, is one of the largest manufacturers of professional group phone system in China.
Read more1)IP+TDM Dual system integration 2)Support IP account a...
1)SIP2.0 standard 2)30 VOIP voice channel 3)IPWEB interfa...
Shenzhen Guowei Cesller Technology Co., Ltd., founded in 1996, is one of the largest manufacturers of professional group phone system in China.
Read more NSN9000 3C Certificate for China Compulsory Product
East of Building 4, Weihao Industrial Park, Shakeng Road, Sunshine Community, Xili Street, Nanshan District, Shenzhen