tcp is preferred for HA installations as failover is faster. mike
On Fri, May 4, 2012 at 3:14 PM, Tony Graziano <[email protected]>wrote: > The only time I have seen issues with this is with sbc's. In those cases > we set them to use tcp for large packets. > > I think once the ua establishes the connection it should not change. > > What are you seeing? > On May 4, 2012 3:08 PM, "Kyle Haefner" <[email protected]> wrote: > >> Hi All, >> >> What is the recommendation for transport with Polycom phones? The >> default is UDPonly and it looks like the DNS records have TCP and UDP >> evenly weighted. >> >> I've been noticing some inconsistency with presence subscriptions and >> I think it may be tied to fragmentation and UDP (subscribe packets are >> often larger that 1500 bytes, not all of our switches support jumbo >> frames so we can't realistically increase MTU) >> >> Is setting all phones to TCPPreferred enough, or do I need change DNS as >> well? >> >> -- >> Kyle Haefner, M.S. >> Communication Systems Programmer >> Colorado State University >> Fort Collins, CO >> Phone: 970-491-1012 >> Email: [email protected] >> _______________________________________________ >> sipx-users mailing list >> [email protected] >> List Archive: http://list.sipfoundry.org/archive/sipx-users/ >> > > LAN/Telephony/Security and Control Systems Helpdesk: > Telephone: 434.984.8426 > sip: [email protected].**net<[email protected]> > > Helpdesk Customers: > http://myhelp.myitdepartment.**net<http://myhelp.myitdepartment.net> > Blog: http://blog.myitdepartment.net > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- Michael Picher, Director of Technical Services eZuce, Inc. 300 Brickstone Square**** Suite 201**** Andover, MA. 01810 O.978-296-1005 X2015 M.207-956-0262 @mpicher <http://twitter.com/mpicher> www.ezuce.com ------------------------------------------------------------------------------------------------------------ There are 10 kinds of people in the world, those who understand binary and those who don't.
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