TD-W8970 power saving causing problems

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TD-W8970 power saving causing problems

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TD-W8970 power saving causing problems
TD-W8970 power saving causing problems
2015-09-16 17:07:19
Model :

Hardware Version : Not Clear

Firmware Version :

ISP :

We have a customer using the TD-W8970 with 4 Cisco SPA514G VoIP phones plugged directly in to the LAN ports.
All 4 ports repeatedly disconnect and reconnect, shown as "LAN Up" and "LAN Down" in the router logs. Only 1 packet is dropped if you are pinging the devices, but that's enough to stop audio for a few seconds.
Other devices such as a laptop work perfectly.

This is a known problem, and the solution provided by Cisco is to disable power saving, or "Green Ethernet" on the router. Is there a way to do this on the TD-W8970
If that's not possible, am I able to force the ports to 100mbps/full duplex instead of Gigabit?

Any suggestions appreciated.
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Re:TD-W8970 power saving causing problems
2015-09-17 13:41:26
TD-W8970 itself has no power saving feature.
Can you do it on your VoIP phones?

am I able to force the ports to 100mbps/full duplex instead of Gigabit?
Cannot. We usually do it on computers.
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Thanks for the reply
2015-09-21 19:16:03
Unfortunately, the phones don't allow us to force power saving or connection speed.
We have worked around the problem by installing a cheap unmanaged switch in between the phones and the router.
They seems to work fine now.
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