Tl-WDR 4900 Router drops VoIP line after 50 seconds

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Tl-WDR 4900 Router drops VoIP line after 50 seconds

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Tl-WDR 4900 Router drops VoIP line after 50 seconds
Tl-WDR 4900 Router drops VoIP line after 50 seconds
2013-09-16 16:35:48
Region : Germany

Model : TL-WDR4900

Hardware Version : V1

Firmware Version :

ISP :


Hello All,

I have changed my old 1043ND router with WDR4900 and i have a big problem.
My VoIP phone Gigaset C610IP A doesn't work anymore. After 50 second i can't here the other person, incoming or outgoing calls. With my old router i don't have problems.

I vahe traid to DMZ the phone IP, to open the ports for this IP.

The problem still the same.

Some indications?

Thank you!

Maxxdmg
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#1
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6 Reply
Problem found
2013-09-18 22:32:11
Hi all,

after few days i found the solution. I turned off the hardware NAT but leave the software NAT on. I stiil wait an answer if that normal or not.

Best regards,

Maxxdmg
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#2
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similar problem
2014-01-09 19:40:04
Same router (Firmware Version: 3.14.7 Build 130424 Rel.72646n Hardware Version: WDR4900 v1 00000000)

Gigaset VOIP N300A IP (Hybrid DECT IP base station for landline and VoIP calls)

At first this worked after changing over from our old router. And occasionally works for a while after rebooting it and the router. Then fails with "Registration at provider failed"

Turning off hardware NAT also appears to have solved the problem for us

Any news from TP on why hardware NAT is causing this problem please?
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#3
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Re:Tl-WDR 4900 Router drops VoIP line after 50 seconds
2014-01-09 22:31:23
Did you try with the 130320 build?
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#4
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Re:Tl-WDR 4900 Router drops VoIP line after 50 seconds
2014-01-17 03:02:19
Thanks for the thought

But I am reluctant to try as the router arrived with this latest software version (unless I wasn't paying attention and it upgraded itself)

It does not appear that TP-link are monitoring this thread themselves so I'll go see if there's a bug submit process
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#5
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Re:Tl-WDR 4900 Router drops VoIP line after 50 seconds
2014-01-18 04:33:50
Christmas is over...
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#6
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Re:Tl-WDR 4900 Router drops VoIP line after 50 seconds
2014-06-04 05:37:50
I'm having the exact same problem. After exactly 50 seconds, it's no longer possible to hear the person calling.

When will there be a fix available?
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#7
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