[OpenSER-Users] How to detect if both UAs are from the same LAN

[Juha Heinanen]

Raúl Alexis Betancor Santana writes:

 > Uff .. double nat situations are not very common ... but yes it could
 > happens, 

actually double nat is quite common.  one can have dsl subscription
where nat is done in the modem and wlan ap behind it that does another
nat.  or gprs internet access where operator gives nated address and
another nat box at customer premise.

-- juha