[asterisk-users] Asterisk to Microsoft Lync2013?

Tony Mountifield tony at softins.co.uk
Fri Apr 11 06:57:22 CDT 2014

In article <li8jbr$nbk$1 at softins.softins.co.uk>,
Tony Mountifield <tony at softins.co.uk> wrote:
> In article <CAHE6+j31hYcOmyS=kgKv+Ge2p+zr-sgFyN2XcmNpMxEw_hYcsQ at mail.gmail.com>,
> Ishfaq Malik <ish at pack-net.co.uk> wrote:
> > On 11 April 2014 11:34, Tony Mountifield <tony at 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 Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org

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