31 Mar
2006
31 Mar
'06
7:15 p.m.
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:
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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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