Re: Third Party VoIP Over Xfinity

[Michael Thomas <mike () mtcc com>]

If you're using SRTP and passing keys in the SDP announcement, it would 
be rather pointless. I don't know how common it is to do the inline 
keying for SRTP which I understand is how VoLTE works, but seriously I 
can't imagine why anybody would not use SIPS: Nothing good came come of 
that.

Mike

On 9/10/24 2:06 PM, Brandon Jackson wrote:
> At my previous MSP $dayjob, I ran into a few clients with Xfinity and
> Spectrum who both would mess with our VoIP solution UNLESS we enabled
> TLS SIP registration, we already used TCP on a non 5060 port by
> default to help with UDP timeouts and such.
>
> Now the RTP traffic could stay clear UDP, this was just the SIP part.
>
>
> ----------------------------------
> Brandon Jackson
> bjackson () napshome net
>
> On Tue, Sep 10, 2024 at 5:01 PM Michael Thomas <mike () mtcc com> wrote:
> > On 9/10/24 1:36 PM, Mark Wiater wrote:
> > > What happens when you decrease your registration frequency? Do the
> > > phones stay registered? Have you tried TLS for the SIP transport by
> > > chance?
> > >
> > > I manage a few phones on comcast across the country and have no problems.
> > In this day and age TLS isn't the default if not only choice?
> >
> > Mike