GUANGZHOU YICAI SPECIAL PRINTING CO.,LTD China
We are a manufacturer of PVC and paper printing,including Prepaid phone card,Calling card,Scratch card,
Magnetic card,Access card,Membership card,Business card,Key card,Abnormity card,3D ventricular card, Key tag,
Door-hangers,Gift card,Die-Cut stickers,Flyer,Poster,Booklet,oucher,Letterhead,Company letters, etc.
General office
GUANGZHOU YICAI SPECIAL PRINTING CO.,LTD
TaiHe Towm
GuangZhou
GuangDong Province
China
Phone: +86-020-38275044
Site: http://www.gzyicai.cn/
Contact Person
Lichee Lu / Sr.Sales Director
Phone: +86-020-38275044
GUANGZHOU YICAI SPECIAL PRINTING CO.,LTD
TaiHe Towm
GuangZhou
GuangDong Province
China
Phone: +86-020-38275044
Site: http://www.gzyicai.cn/
Contact Person
Lichee Lu / Sr.Sales Director
Phone: +86-020-38275044
- Hosted VoIP billing service provider
Not data
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VPMADT032 echo cancellation module is meant to be used with the Digium IP telephony boards; it provides echo cancellation for configurable long "tail" of up to 128 ms (1024 samples) simultaneously for all ports of the board. All IP-PBX Asterisk servers, connected to the telephone network (PSTN) have one common problem, which is "hybrid echo" - echo obtained due to the difference in the load-wire and four-wire telephone circuits. Echo appears as a distorted reflection and a detainee of the caller's voice, who is subscribed to IP-PBX Asterisk while talking to PSTN subscribers.
ip2ip Communications
Ip2ip core competencies are internet telephony, application development and support, network and database administration, performance tuning, web development and assistance. We provide high-end consulting services, design and implementation, 24x7 maintena
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