In article <li8jbr$nbk$1...@softins.softins.co.uk>,
Tony Mountifield <t...@softins.co.uk> wrote:
> In article 
> <CAHE6+j31hYcOmyS=kgkv+ge2p+zr-sgfyn2xcmnpmxew_hy...@mail.gmail.com>,
> Ishfaq Malik <i...@pack-net.co.uk> wrote:
> > On 11 April 2014 11:34, Tony Mountifield <t...@softins.co.uk> wrote:
> > 
> > > Are they any gotchas to be aware of in getting Asterisk and Lync 2013
> > > talking to each other using SIP? Or is Lync a pretty standard
> > > implementation
> > > of SIP?
> > 
> > You have to use TCP for transport and you need to define the host and port
> > address in your peer config and then secure it with ACL.
> 
> Thanks, Ish. That's a little inconvenient. Does Lync not support standard UDP?
> 
> I have two boxes that need to talk to Lync. One is Asterisk 11, which should
> pose no problem with TCP, but the other is a legacy Asterisk 1.2 box, which
> is UDP only, I believe.
 
OK, I've found a description of Lync 2013 saying it does not support SIP over 
UDP,
so have told the customer the 1.2 box will need a full upgrade. Thanks!

Tony
-- 
Tony Mountifield
Work: t...@softins.co.uk - http://www.softins.co.uk
Play: t...@mountifield.org - http://tony.mountifield.org

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