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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>I have found some ways to get presence, or rather BLF
functions to work on Snom telephones in a distributed network with several FSs.
I&#8217;ll post a solution on the wiki when I have tested it further.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Anyhow, I&#8217;m using the mod_event_multicast
module with the following configuration:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&lt;configuration
name=&quot;event_multicast.conf&quot; description=&quot;Multicast
Event&quot;&gt;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp; &lt;settings&gt;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;&nbsp;&nbsp; &lt;param name=&quot;address&quot;
value=&quot;225.1.1.1&quot;/&gt;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;&nbsp;&nbsp; &lt;param name=&quot;port&quot;
value=&quot;4242&quot;/&gt;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp;&nbsp;&nbsp; &lt;param name=&quot;bindings&quot;
value=&quot;PRESENCE_IN CUSTOM sofia::register CUSTOM
multicast::event&quot;/&gt;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&nbsp; &lt;/settings&gt;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>&lt;/configuration&gt;<font color=navy><span
style='color:navy'><o:p></o:p></span></font></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;</span></font><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>With this setting on all FSs, the registration table
is also automatically updated thus listing all sets registered across all FSs. In
the table sip_registrations (under the database for the profile used), the
field status has the value: &#8220;Registered&#8221; if the UA is registered on
another FS and the value &#8220;Registered(UDP)&#8221; if the UA is registered
on the same FS. The field server_host, however, is the ip-address of &#8220;local&#8221;
FS.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Now comes the question: is there any way to let the
field server_host show the server address of the server actually registered to?
Or any other way using the existing modules to get the information about which
FS the UAs are registered to? The information is going to be used for the
routing decisions between networked FSs.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;color:navy'>/Jon</span></font><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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