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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1)SIP 2.0 (RFC3261) and SRTP protocol 2)Support IAX2，iax...
1）IP+TDM Dual system integration 2）Support IP account a...
1)SIP2.0 standard 2)30 VOIP voice channel 3)IPWEB interfa...
1）thousands of large-capacity digital switching 2）Dual...
1)Rack-mountable integration design 2)Dual serial support...
can be up to 32 lines 112 extensions,or 0 lines 144 exten...
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 up to 124 ...
4 Lines 16 Extensions.
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
