[OpenSER-Users] port modification is sdp

Konstantinos Koutsopoulos kkoutso at telecom.ntua.gr
Wed Oct 31 11:51:21 CET 2007


In my case it adds 16 to every port in the sdp.

Iñaki Baz Castillo wrote:
> El Wednesday 31 October 2007 11:26:27 Konstantinos Koutsopoulos escribió:
>
>   
>> I have checked again with tshark on the openser's interface
>> and it seems that indeed my adsl router intervene with my SDP.
>> Thanks for the hints and sorry for the inaccuracies.
>>     
>
> So your router implements ALG. this can be good (if it does correctly) or the 
> worst it can occurs to you (if the AGL works wrongly).
>
> For example, my home router (Zyxel P600) does a very painful ALG and writes 
> port grater that 32665 !!!!!
>
> You can dissable ALG's in the router (depending on the model maybe needed 
> using telnet).
>
> Regards.
>
>
>   





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