Daniel Ouellet wrote:
port use are negotiated via the control port on UDP/5050 and that's when
Should have been UDP/5060 here. Not 5050 as above. Sorry, fat finger...
Or in some cases when NAT traversal is also in use for SIP, you will
have UDP/5060 and UDP/5061.
Regardless these are and have to be from very limited source and should
never be open to the world as well. The SBC controllers here as usually
two. Some setup have a few more, but very limited in numbers and are not
changing either.
Best,
Daniel
