Shenzhen Guowei Cesller Technology Co., Ltd., founded in 1996, is one of the largest manufacturers of professional group phone system in China.
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4 Co lines and 16 Exts, cann't expand.
2 CO.lines,8 Extensions telephone exchange
4 CO.Lines,16 Extensions.
Lines – 4~ 32 Exts. – 16~64
Basic capacity is 8 Lines 16 Extensions.can be ...
4 Lines 16 Extensions.
dopting STN display module with two rows. Date,...
WS824(5D)-1 can be up to 32 Lines 136 Extension...
1）IP+TDM Dual system integration 2）Support IP...
1)SIP2.0 standard 2)30 VOIP voice channel 3)IPW...
1)SIP 2.0 (RFC3261) and SRTP protocol 2)Support...
1）thousands of large-capacity digital switchin...
1)Rack-mountable integration design 2)Dual seri...
can be up to 32 lines 112 extensions,or 0 lines...
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
