[OpenSER-Users] nat pinging question

Papadopoulos Georgios geop at altectelecoms.gr
Thu Aug 30 11:15:48 CEST 2007


Hello all,
 
In nathelper the documentation mentions two pinging types (upd 4 byte
packets and stateless SIP request). Is there a way to choose between one
or the other or are they both activated by default?
I have configured nathelped to ping with OPTIONS every 15 seconds.
modparam("nathelper", "natping_interval", 15)
modparam("nathelper", "sipping_method", "OPTIONS")
In addition to the OPTIONS packets that are sent every 15 seconds, there
is a 4 byte packet that is sent every minute. Why does this happen and
is there a way to turn it off?
 
This is what the ping packet sequence looks like:
time      ping
0     ---> 4 byte pkt
0     ---> OPTIONS
15   ---> OPTIONS
30   ---> OPTIONS
45   ---> OPTIONS
60   ---> 4 byte pkt
60   ---> OPTIONS
 
thank you
 
George
 
 
 

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