> > How can such a large company have something so simple as SIP > registration mangled up? >
Very little incentive to fix it. The number of customers that are able to switch providers when something like this doesn't work is a fractional percentage of overall customer churn. The MBAs say it's cheaper to ignore it, so that's how it goes. On Wed, Sep 11, 2024 at 10:38 AM Matt Hoppes < mattli...@rivervalleyinternet.net> wrote: > How can such a large company have something so simple as SIP > registration mangled up? > > On 9/10/24 5:22 PM, Mike Hammett wrote: > > We've just moved to tunneling anything VoIP if on Comcast's network. > > > > > > > > ----- > > Mike Hammett > > Intelligent Computing Solutions <http://www.ics-il.com/> > > <https://www.facebook.com/ICSIL>< > https://plus.google.com/+IntelligentComputingSolutionsDeKalb>< > https://www.linkedin.com/company/intelligent-computing-solutions>< > https://twitter.com/ICSIL> > > Midwest Internet Exchange <http://www.midwest-ix.com/> > > <https://www.facebook.com/mdwestix>< > https://www.linkedin.com/company/midwest-internet-exchange>< > https://twitter.com/mdwestix> > > The Brothers WISP <http://www.thebrotherswisp.com/> > > <https://www.facebook.com/thebrotherswisp>< > https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > > ------------------------------------------------------------------------ > > *From: *"Matt Hoppes" <mattli...@rivervalleyinternet.net> > > *To: *nanog@nanog.org > > *Sent: *Tuesday, September 10, 2024 2:17:37 PM > > *Subject: *Third Party VoIP Over Xfinity > > > > I have an employee who has recently switched to Xfinity cable service. > > Ever since they switched their internet service their work phones will > > not stay registered for more than about 3 minutes. > > > > These same phones have been used on many ISPs without issues. The same > > config has been used behind multiple levels of NAT without issues. > > > > She was fine, until she switched to XFinity. > > > > Of course, XFinity support is absolutely worthless. > > > > Anyone from XFinity Tier 3 or such that might be able to offer > assistance? > > > > I suspect it's something stupid with either NAT overload in the modem or > > the modem not keeping the SIP channels open. > > > > I've tried playing around with registration times without any success. > > And again, we've never had issues with these phones or this setup with > > any other ISP. > > > > > > >
