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My WNDR3300 drops out calls at 5 minutes exactly? How do I resolve the problem?

Views: 965
Votes: 0
Posted: 19 Aug, 2007
by: Engin *.
Updated: 07 Aug, 2008
by: Engin *.
The WNDR3300 suffers from a 5 minute dropout issue and technical support has declared this modem as not being compatible with the engin network.
  • Enabled DMZ
  • Setup Port Forwarding
  • Disable SPI firewall
  • NAT filtering changed from filtered to Open
  • Strangly softphone such as NCH lasts past 5 minutes but Sipura / Linksys ATA 's fail
  • Tried different SIP port, i.e: 5070 and EXT PORT 5070 hack but that also failed.

Firmware tested

  • Version 1.0.26 | Jul 16 , 2008
  • Version 1.0.23 | Jun 26 , 2008
  • Version 1.0.14 | Jan 26 , 2008
  • Initial Release | Dec 12 , 2007



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