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Important Notes

1.  All our devices ONLY support firmware upgrade via http servers.  Please make sure that your device is properly connected to the internet before starting a firmware upgrade via our http server. 

2.  When firmware upgrade is in progress, DO NOT DISCONNECT THE DEVICE POWER or REBOOT THE DEVICE.

3. The firmware version for the same model may vary depending on its hardware version.  To identify which firmware release is designated for your device, you need to first note the version prefix (the blue box) from the current firmware version as shown below.  


The correct upgrade link should be chosen from the table below and then entered in the Upgrade Site field. 

GoIP/WoIP/CoIP Series

1310 GoIP-8/GoIP-16                        http://dbltek.com/update/GST1310-1.01-14.pkg                                                                            
GoIP-X4 Series
http://dbltek.com/update/GST1610-X4-1.12-10.pkg
GoIP1
http://dbltek.com/update/GHSFVT-1.1-68-9.pkg
GoIP-4/8/16/32
http://dbltek.com/update/GST1610-1.01-70-17-8.pkg
WoIP-8
http://dbltek.com/update/GST1610-1.01-70-17-8.pkg
CoIP-8/32
http://dbltek.com/update/GST1610-1.01-70-17-8.pkg
Previous GoIP-4/8
http://dbltek.com/update/GS-4.01-102.pkg
Previous GoIP-16
http://dbltek.com/update/GST-1.01-73-1.pkg

SIM BANK Series

SMB128
http://dbltek.com/update/SMBT-1.01-40.pkg 
SMB32
http://dbltek.com/update/SMBT32-1.01-4-10.pkg
Previous SMB32
http://dbltek.com/update/SMB-1.01-45-4.pkg

FXS Series

HT912T/HT922T
http://dbltek.com/update/A38HS5VTR2-2.1-60.pkg 
HT842T
http://dbltek.com/update/A38HS5VT16-1.1-41.pkg
HT882R
http://dbltek.com/update/A38HS-3.15-23.pkg

RoIP Series

RoIP102/RoIP102M
http://dbltek.com/update/ROIPT-1.01-20.pkg
RoIP302/RoIP302M
http://dbltek.com/update/ROIP-1.01-46-1.pkg

IP Phone Series

EP8201
http://dbltek.com/update/CN2x4-3_08_14_29.pkg
EP636
http://dbltek.com/update/EP636-1.01-10.pkg 

QUICK LINKS