[sr-dev] nathelper generates a keepalive request with branch=0

[Iñaki Baz Castillo]

2010/4/29 Klaus Darilion <klaus.mailinglists at pernau.at>:
>> Why not to use a SIP/2.0 compliant branch (z9hG4bK...)? any reason?
>
> Maybe this is the method to detect keep-alive replies and absorb them before
> they enter dialplan processing.

For this it could be greater to include any custom param into Via
header or using a specific (but still SIP/2.0 complian) branch value
(somethign as z9hG4bKABCDEFGHIJK).
Using "0" value means that some UAS could ignore them if they are not
RFC 2543 compliant.


-- 
Iñaki Baz Castillo
<ibc at aliax.net>