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            HK TEL: +852 2994 1338
            Shenzhen TEL:+86 755 88290211
            FAX:+852 39092338
            E-mail:sales@dbltek.com
News
The lastest Firmware Version Real-time
Urgent Notice 03-13-2017
Urgent Announcement 03-14-2014
SIM Bank 50% off price sale 08-01-2013
GoIP-4&8 Firmware Change Log 07-23-2013
SIM Bank 40% off price sale 04-08-2013
16-Channel VoIP GSM Gateway Sales Promotion 09-15-2012
SIM Bank Sales Promotion 06-01-2012
SIM Bank avaliable now 09-05-2011
New products listed-----SIM Bank
09-21-2011
Unlimited Global Free Calling 06-28-2011
DDNS P2P Configuration 06-28-2011
New product Cross-Network Gateway 03-17-2010
GSM Gateway avaliable now 03-07-2010
Solution to VoIP Blocking 03-01-2010