Hello,

is that contact is some way special? Does it have the sipping_bflag set? Or are all those contacts not behind NAT and having same branch flags?

Cheers,
Daniel

Hi,

When using Kamailio v5.2.0-rc2 (x86_64/linux) 9e729b and setting the below nathelper module parameters it appears only the first contact is sent a SIP OPTIONS request.

modparam("nathelper", "natping_interval", 15)

modparam("nathelper", "ping_nated_only", 0)

modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)

modparam("nathelper", "sipping_from", "sip:ping@mydomain.com")

modparam("nathelper", "keepalive_timeout", 90)

Reading the release notes for v5.2 what I’m doing *should* be possible, but as the functionality has been recently added I’m assuming that it might be a bug.

Any assistance on this would be great.

Thanks,

Dan 

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