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Siemens S685 IP Dect Phone kills my internet connection

Uncategorised By Nov 08, 2010

It is somewhat ironic that changing to a Dect phone system that will also allow VOIP calls has almost killed my internet connection.  It seems to be caused by the SMPS supplied with the Siemens connection box rather than the phone itself.  Unfortunately the DC input plug is the one size I don’t have so I can’t try a substitute.  It even managed to get my Thompson ADSL2+ modem/router to continually reboot yesterday afternoon.  I’ve tried mains filters everywhere and even ferrite rings but nothing will bring my internet back up to speed except unplugging the Siemens PS and rebooting the modem.

BeThere my internet supplier is send me a more up-to-date ADSL2+ modem/router to try.  In the meantime it’s back to the Panasonic phones.

Follow up:  The new ADSL2+ modem router has arrived and it works well.  The Siemens phones are now back in and working pretty well.  A few small problems with the firewall to sort out but other than that everything is good.

Follow up2:  The few small problems with the firewall turned into consistent router rebooting whenever the base station was connected to the network.

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