[Users] Cisco phone behind ADSL (with NAT) - better solutions

[Joao Pereira]

Thanks
What are the "better solutions" you meant?
What phones do you prefer? and what do you use to work behind NAT?
Thanks
Joao Pereira

Andreas M. wrote:
> Hello,
> Cisco doesn´t support STUN or similar like X-lite, so it is always 
> registered, if no nathelper is used, with the private address and never 
> reachable from the outside.
> 
> One thing you can do is to change the dsl router, there are SIP aware 
> products on the market, i´m using  for testing one Cisco1800, and have 
> no problems with cisco phones and nat.
> 
> I think Speedtouch products are also SIP aware.
> 
> regrads ,
> Andreas M.
> 
> PS: I´m not realy happy with cisco phones, there are better 
> solutions.......My opinion.
> 
> 
> 
> 
> Joao Pereira schrieb:
> 
>> Ok, Ill do some work with ethereal in the ADSL router.
>>
>> But I believe the problem is, when the calls go from the internet into 
>> the ADSL router, he doesnt know to wich of the NATed IPs he should 
>> deliver the call.
>>
>> The outbound calls with Cisco phone already work, it just needed to 
>> have the public IP of the ADSL router  in the "NAT Adress". But... 
>> thats not a solution for ISP clients with dynamic IPs... dahm..
>>
>> Why cant Cisco phones be smart as X-Lite?
>>
>> Joao
>>
>>
>>
>> Bogdan-Andrei Iancu wrote:
>>
>>> Hi Joao,
>>>
>>> the only way to see what's wrong is by watching the network traffic - 
>>> locally and on the proxy.
>>>
>>> regards,
>>> bogdan
>>>
>>> Joao Pereira wrote:
>>>
>>>> Hello to all
>>>> Did you ever made it to put a Cisco phone (Cisco IP phone 7940 with 
>>>> SIP) behind ADSL (and NAT) and make calls??
>>>> Im trying to do it, and with X-Lite I can place calls, but with the 
>>>> Cisco phone I cant... :(
>>>>
>>>> I already putted the NAT= yes in the Cisco Phone.
>>>> Is there any way of doing this ?
>>>> Thanks
>>>> Joao Pereira
>>>> www.fccn.pt
>>>>
>>>>
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>>
>>
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> 
> 
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