[asterisk-users] Re: how to define a secure trunk

[Pavel Jezek]

no, ipsec headers add much more traffic overhead even than small voice 
rtp packets bears (using low bitrate codec).
this ipsec overhead is not too crucial when ecapsulating relatively big 
data packet



Benny Amorsen wrote:
>>>>>> "PJ" == Pavel Jezek <pavel.jezek at i.cz> writes:
>>>>>>             
>
> PJ> tunneling small rtp packets through vpn has big overhead, better
> PJ> to use application level encryption - encrypted iax or srtp.
>
> IPSEC in transport mode without NAT has a very low overhead.
>
>
> /Benny
>
>
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