[Users] Availability Of the $dd Pseudo Variable

[Tavis P]

Klaus Darilion wrote:
> Tavis P wrote:
>> I've been using the $dd variable to apply some workarounds for NAT
>> hairpinning problems (by forcing mediaproxy), however i just realized
>> that
>> 1.  When the received column in the Location database isn't populated
>> (ie the client is using stun and a lookup() is executed for that
>> username, the $dd variable is null even though the ruri contains a vaild
>> ip:port
>
> the destination URI will only be used if it is different than the
> request URI. Thus you can check if $dd is empty/null and use $rd
>
> regards
> Klaus
>
Ahh, thank you

How would you recommend to check for null values?  The only method i've
found so far is doing a regex match

>> This makes the $dd variable not ideal to  be used to check the
>> destination IP address of locally registered clients
>>
>> Is it supposed to work this way?
>>
>> As an intern solution, i was able to execute "fix_nated_register()" for
>> ALL registrations (previously i was only executing it for nat clients)
>>
>> tavis
>>
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>
>