[OpenSIPS-Users] Nathelper - will not send SIP OPTIONS pings

[Bogdan-Andrei Iancu]

Hi Adrian,

Do you set the SIPPING_ENABLE bflag before saving the contact ?

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com

On 6/23/20 1:35 PM, Adrian Fretwell wrote:
>
> Hello All,
>
> Opensips v3.0.
>
> I have a simple routing script that implements a mid-registrar.  All 
> of the endpoints are behind NAT so I need the proxy to send keep alive 
> pings.
>
> I have the nathelper module loaded with the following configuration:
>
> /* --- Module NATHELPER ---------------
>
>  NAT traversal helper module
>  ------------------------------------*/
> loadmodule "nathelper.so"
> modparam("nathelper", "natping_interval", 30)
> modparam("nathelper", "ping_nated_only", 0)
> modparam("nathelper", "sipping_method", "OPTIONS")
> modparam("nathelper", "sipping_bflag", "SIPPING_ENABLE")
> modparam("nathelper", "sipping_from", "sip:pinger at mrp1.xxxx.uk")
> modparam("nathelper", "received_avp", "$avp(received_nh)")
> modparam("nathelper", "ping_threshold", 5)
> modparam("nathelper", "max_pings_lost", 3)
> modparam("nathelper", "natping_partitions", 4)
> modparam("nathelper", "remove_on_timeout_bflag", "SIPPING_RTO")
> modparam("nathelper", "natping_tcp", 1)
>
> The nathelper module is sending the 4 byte UDP packets (verified by 
> packet capture), but I cannot get it to send SIP OPTIONS pings.
>
> According to paragraph 1.2 (NAT pinging types), there are two types, 
> UDP package and SIP request.  I cannot work out how to make it use SIP 
> request.
>
> I assume that I do need SIP OPTIONS pings for the removal_on_timeout 
> to work.
>
> Can anyone point me in the right direction please?
>
>
>
> Kind regards,
>
> Adrian Fretwell
> Sibthorpe
> Nottinghamshire
>
> UK.
>
>
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