[SR-Users] Confusion about TCP worker ports

[Alex Balashov]

On 10/29/20 4:48 PM, Noah Mehl wrote:

> Or the expectation is that the receiving side will send replies to
> port 5060 (which I guess is broken in Freeswitch sometimes?)
That is precisely the expectation, because dispatcher doesn't keep 
dedicated listeners for replies to its own OPTIONS requests.

That's what I meant about asymmetric signalling: it is completely legal 
to send from an actual port of Y while having a Via header that says 
"hit me back at port X". That's exactly what FS should do.

-- Alex

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Alex Balashov | Principal | Evariste Systems LLC

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