[SR-Users] Kamailio OPTIONS Round-Trip

Sergiu Pojoga pojogas at gmail.com
Tue Jan 15 13:31:20 CET 2019

The solution is much more simple.. Register peers through the intermidiary
proxy using the sip PATH extension. Not only will asterisk show the
address=original IP of the peer but also the RTT.


On Tue, Jan 15, 2019, 5:29 AM Daniel Tryba <d.tryba at pocos.nl wrote:

> On Sun, Jan 13, 2019 at 10:08:31PM +0300, Soltanici Ilie wrote:
> > With Asterisk, we are able to get some peer round-trip connection
> statistic by setting qualify=yes for the specified peer.
> > It sends periodic OPTIONS to the peer and calculates the time round trip
> time.
> > It's something like - "Status: OK (30 ms)".
> > Is there any way to achieve this in Kamailio by using nathelper??module,
> or any other?
> I think the only way to do this is to make this yourself (tm). In your
> favorite scripting language, query the locations and fire OPTIONS and
> measure the time for a response (if any) on basis of the "random" callid
> you create. If you route these requests through kamailio you will
> prevent any NAT problems or connection with TCP endpoints.
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