Skype problems with routers and NAT

Skype problems with routers and NAT
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Subject Author Date
Skype problems with routers and NAT Derrick Fawsitt 03-01-2005
Posted by Ivor Jones on March 1, 2005, 7:21 pm
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Derrick Fawsitt wrote:
> A friend I particularly want to install Skpe has stopped installing
> it until he resolves a particular problem. An article in a UK PC
> Magazine dealing with Skype and how to install it, (was it PC
> World), said that you can have trouble with Skype and NAT if you
> have a router. He has a DLINK D1 614plus and he is afraid
> installing Skype might disrupt his business through his DLINK
> router. He has asked me to look into this matter for him, can you
> advise me please. I am not technical so the question posed above is
> as he explained it to me and my understanding of it. He obviously
> uses a network so no doubt someone will understand his worry and
> help me to help him be reassured.

Works ok for me using a Netgear DM602 combined modem/router.

Ivor




Posted by EdR on March 1, 2005, 11:13 pm
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> A friend I particularly want to install Skpe has stopped installing it
> until he resolves a particular problem. An article in a UK PC Magazine
> dealing with Skype and how to install it, (was it PC World), said that
> you can have trouble with Skype and NAT if you have a router.

We use Skype over NAT through a software router and use it on multiple PC's
in a business environment. No problems at all.
The only 'problem' that can occur with VoIP and NAT is that it doesn't work.
It will not disrupt your network. As far as I have seen, Skype is very good
in traversing NAT. With SIP you have to jump through hoops to get a reliable
connection.
Regards!
Erwin.




Posted by Ivor Jones on March 2, 2005, 12:32 am
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EdR wrote:
>> A friend I particularly want to install Skpe has stopped
>> installing it until he resolves a particular problem. An article
>> in a UK PC Magazine dealing with Skype and how to install it, (was
>> it PC World), said that you can have trouble with Skype and NAT if
>> you have a router.
>
> We use Skype over NAT through a software router and use it on
> multiple PC's in a business environment. No problems at all.
> The only 'problem' that can occur with VoIP and NAT is that it
> doesn't work. It will not disrupt your network. As far as I have
> seen, Skype is very good in traversing NAT. With SIP you have to
> jump through hoops to get a reliable connection.
> Regards!
> Erwin.

Depends on the SIP network and/or the hardware. I have had numerous
problems with certain ATA hardware and none at all with others, on the
same SIP account.

Ivor




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