Have you run the connectivity tester? https://testconnectivity.microsoft.com/?testid=O365LyncDns
the dyn community post says you should reverse the weight and priority fields in your record for use in their platform: _sip._tls.domain.com 60 SRV 100 1 443 sipdir.online.lync.com _sipfederationtls._tcp.domain.com 60 SRV 100 1 5061 sipfed.online.lync.com referenced: http://www.dyncommunity.com/questions/23090/creating-a-srv-record.html https://support.microsoft.com/en-us/kb/2566790 Nathan Shelby Director of Systems Engineering – Quote Wizard <https://quotewizard.com/> [email protected] / 206-753-2626 Malo Periculosam Libertatem Quam Quietum Servitium On Tue, May 5, 2015 at 2:39 PM, Kuehn, Shannon <[email protected]> wrote: > Has anyone successfully set up SRV records in DynDNS for Skype for > Business? Every other DNS record is working correctly for me right now > EXCEPT the SRV record for Skype for Business. All the Google-fu-ing I’ve > done has lead me to do the following: > > The black lines are to hide my client’s domain. I have a ticket in with > DynDNS as well. The weird part about all of this? I can sign a client in > and the presence is noted (green, red, yellow, etc.) to the clients inside > the domain, however clients outside the domain cannot see the presence. > > Super confused…wondering if anyone can help! > > Thanks. > > >
