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<DIV><SPAN class=312100319-01082007><FONT face=Arial color=#0000ff 
size=2>For&nbsp;wifi roaming to work you need to have all AP use the same BSSID 
and make sure they all pass dhcp querries from the phone (or other wifi devices) 
to a single dhcp server.</FONT></SPAN></DIV>
<DIV><SPAN class=312100319-01082007><FONT face=Arial color=#0000ff size=2>Even 
"dumm" wifi devices can work like this, as there is no need to changed the BSSID 
and the dns makes sure that the device gets the same ip regardless of where it 
registers.</FONT></SPAN></DIV>
<DIV><SPAN class=312100319-01082007><FONT face=Arial color=#0000ff size=2>We 
used this method in several large construction sites where the engineers where 
rooaming using their pda's</FONT></SPAN></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT>&nbsp;</DIV>
<P><FONT size=2>Stelios S. Koroneos<BR><BR>Digital OPSiS - Embedded 
Intelligence<BR><A href="http://www.digital-opsis.com/" 
target=_blank>http://www.digital-opsis.com</A><BR></FONT></P>
<BLOCKQUOTE dir=ltr 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
  <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma 
  size=2>-----Original Message-----<BR><B>From:</B> 
  asterisk-biz-bounces@lists.digium.com 
  [mailto:asterisk-biz-bounces@lists.digium.com]<B>On Behalf Of </B>Business 
  Communications Net<BR><B>Sent:</B> Wednesday, August 01, 2007 8:23 
  PM<BR><B>To:</B> Commercial and Business-Oriented Asterisk 
  Discussion<BR><B>Subject:</B> Re: [asterisk-biz] wireless sip 
  pager<BR><BR></FONT></DIV><SPAN class=mceItemHidden>I tried to use a wifi 
  wireless phone, but I ran in to problems with the access points, when you move 
  from one access point to the next one, the signal was lost and the handset was 
  not smart enough to to locate the next access point with out asking the hand 
  set to recalibrate to the new ip address on the </SPAN><SPAN 
  class=mceItemHidden>access-point, i was interested in </SPAN><SPAN 
  class=mceItemHidden>using this for a nurse call system, has any thing change, 
  and is there a way to use the wifi service to find hand sets,&nbsp; 
  thanks&nbsp;&nbsp; (wifi,sip,</SPAN><SPAN 
  class=mceItemHidden>wireless-phones,)</SPAN><BR><BR>Jack Earl<BR>1 800 559 
  1959 Office<BR>1 866 568 9648 Fax<BR>1 412 589 5389 Cell<BR><BR><A 
  href="Http://www.BusinessCommunicationsNet.com" 
  mce_href="Http://www.BusinessCommunicationsNet.com">Http://www.BusinessCommunicationsNet.com</A><BR><A 
  href="Http://www.jackearl.com" 
  mce_href="Http://www.jackearl.com">Http://www.jackearl.com</A><BR>
  <DIV><BR><BR>
  <BLOCKQUOTE 
  style="PADDING-LEFT: 8px; MARGIN-LEFT: 8px; BORDER-LEFT: blue 2px solid" 
  webmail="1">-------- Original Message --------<BR>Subject: Re: 
    [asterisk-biz] wireless sip pager<BR><SPAN class=mceItemHidden>From: "Dean 
    Collins" &lt;Dean@<SPAN 
    class=mceItemHiddenSpellWord>cognation</SPAN>.net&gt;</SPAN><BR>Date: Wed, 
    August 01, 2007 1:10 pm<BR>To: "Commercial and Business-Oriented Asterisk 
    Discussion"<BR><SPAN class=mceItemHidden>&lt;asterisk-biz@lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com&gt;</SPAN><BR><BR>I didn't 
    realize he was trying to do local area etc but was looking for<BR>roaming 
    capabilities across wider area.<BR><BR><SPAN class=mceItemHidden>If you are 
    just looking for <SPAN class=mceItemHiddenSpellWord>onsite</SPAN> paging 
    then a <SPAN class=mceItemHiddenSpellWord>Nira</SPAN>/<SPAN 
    class=mceItemHiddenSpellWord>Ascom</SPAN> box</SPAN><BR>connected to a 
    server will do what you want though only on a specific<BR><SPAN 
    class=mceItemHidden>site (<SPAN class=mceItemHiddenSpellWord>lol</SPAN> 
    takes me back - first IT sales job was with <SPAN 
    class=mceItemHiddenSpellWord>Nira</SPAN> but working</SPAN><BR><SPAN 
    class=mceItemHidden>on their CT3/<SPAN 
    class=mceItemHiddenSpellWord>Dect</SPAN> 
    systems).</SPAN><BR><BR><BR><BR><BR>Regards,<BR><BR>Dean Collins<BR><SPAN 
    class=mceItemHidden><SPAN class=mceItemHiddenSpellWord>Cognation</SPAN> 
    <SPAN class=mceItemHiddenSpellWord>Pty</SPAN> Ltd</SPAN><BR><A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=dean%40cognation.net'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">dean<B></B><SPAN 
    class=mceItemHidden>@<SPAN 
    class=mceItemHiddenSpellWord>cognation</SPAN>.net</SPAN></A><BR><SPAN 
    class=mceItemHidden>+1-212-203-4357 <SPAN 
    class=mceItemHiddenSpellWord>Ph</SPAN></SPAN><BR>+61-2-9016-5642 (Sydney 
    in-dial).<BR><BR><BR>-----Original Message-----<BR>From: <A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=asterisk-biz-bounces%40lists.digium.com'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">asterisk-biz-bounces<B></B><SPAN 
    class=mceItemHidden>@lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com</SPAN></A><BR><SPAN 
    class=mceItemHidden>[<SPAN 
    class=mceItemHiddenSpellWord>mailto</SPAN>:</SPAN><A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=asterisk-biz-bounces%40lists.digium.com'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">asterisk-biz-bounces<B></B><SPAN 
    class=mceItemHidden>@lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com</SPAN></A>] On Behalf 
    Of<BR><A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=jltaylor%40metrotel.net'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose"><SPAN 
    class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>jltaylor</SPAN></SPAN><B></B><SPAN 
    class=mceItemHidden>@<SPAN 
    class=mceItemHiddenSpellWord>metrotel</SPAN>.net</SPAN></A><BR>Sent: 
    Wednesday, 1 August 2007 12:42 PM<BR>To: <A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=asterisk-biz%40lists.digium.com'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">asterisk-biz<B></B><SPAN 
    class=mceItemHidden>@lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com</SPAN></A><BR>Subject: Re: 
    [asterisk-biz] wireless sip pager<BR><BR><SPAN class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>POCSAG</SPAN> encoding software and small vhf 
    <SPAN class=mceItemHiddenSpellWord>transmittter</SPAN> (<SPAN 
    class=mceItemHiddenSpellWord>walkie</SPAN> talkie) </SPAN><BR>will work. 
    Then you can use "normal" pagers.<BR><BR>James Taylor<BR><A 
    href="http://www.metrotel.net" target=_blank 
    mce_href="http://www.metrotel.net"><SPAN class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>http</SPAN>://www.<SPAN 
    class=mceItemHiddenSpellWord>metrotel</SPAN>.net</SPAN></A><BR>972-505-3503<BR><BR>Quoting 
    Dean Collins &lt;<A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=Dean%40cognation.net'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">Dean<B></B><SPAN 
    class=mceItemHidden>@<SPAN 
    class=mceItemHiddenSpellWord>cognation</SPAN>.net</SPAN></A>&gt;:<BR><BR><SPAN 
    class=mceItemHidden>&gt; <SPAN class=mceItemHiddenSpellWord>Hmmm</SPAN> 
    interesting I wonder how it would work moving from access 
    point</SPAN><BR>to<BR>&gt; access point?<BR>&gt;<BR>&gt;<BR>&gt;<BR><SPAN 
    class=mceItemHidden>&gt; I guess you could use a open <SPAN 
    class=mceItemHiddenSpellWord>moko</SPAN> <SPAN 
    class=mceItemHiddenSpellWord>neo</SPAN> to do this but at $300 or 
    so</SPAN><BR>&gt; probably more than you are looking to 
    spend.<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt; 
    Regards,<BR>&gt;<BR>&gt; Dean Collins<BR><SPAN class=mceItemHidden>&gt; 
    <SPAN class=mceItemHiddenSpellWord>Cognation</SPAN> <SPAN 
    class=mceItemHiddenSpellWord>Pty</SPAN> Ltd</SPAN><BR>&gt; <A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=dean%40cognation.net'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">dean<B></B><SPAN 
    class=mceItemHidden>@<SPAN 
    class=mceItemHiddenSpellWord>cognation</SPAN>.net</SPAN></A><BR><SPAN 
    class=mceItemHidden>&gt; &lt;<SPAN 
    class=mceItemHiddenSpellWord>mailto</SPAN>:</SPAN><A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=dean%40cognation.net'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">dean<B></B><SPAN 
    class=mceItemHidden>@<SPAN 
    class=mceItemHiddenSpellWord>cognation</SPAN>.net</SPAN></A><SPAN 
    class=mceItemHidden>&gt; +1-212-203-4357 <SPAN 
    class=mceItemHiddenSpellWord>Ph</SPAN></SPAN><BR>&gt; +61-2-9016-5642 
    (Sydney in-dial).<BR>&gt;<BR>&gt; 
    ________________________________<BR>&gt;<BR>&gt; From: <A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=asterisk-biz-bounces%40lists.digium.com'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">asterisk-biz-bounces<B></B><SPAN 
    class=mceItemHidden>@lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com</SPAN></A><BR><SPAN 
    class=mceItemHidden>&gt; [<SPAN 
    class=mceItemHiddenSpellWord>mailto</SPAN>:</SPAN><A 
    onclick="return true;Popup.composeWindow('pcompose.php?sendto=asterisk-biz-bounces%40lists.digium.com'); return false;" 
    href="https://email.secureserver.net/pcompose.php#Compose" 
    mce_href="https://email.secureserver.net/pcompose.php#Compose">asterisk-biz-bounces<B></B><SPAN 
    class=mceItemHidden>@lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com</SPAN></A>] On Behalf Of 
    Andres<BR><SPAN class=mceItemHidden>&gt; <SPAN 
    class=mceItemHiddenSpellWord>Paglayan</SPAN></SPAN><BR>&gt; Sent: Wednesday, 
    1 August 2007 11:11 AM<BR>&gt; To: Commercial and Business-Oriented Asterisk 
    Discussion<BR>&gt; Subject: [asterisk-biz] wireless sip 
    pager<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt; Hi,<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt; 
    Does anybody knows if a wireless sip pager exists on the 
    market?<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt; I am not looking for an expensive 
    wifi sip phone,<BR>&gt;<BR><SPAN class=mceItemHidden>&gt; but just for an 
    inexpensive device that can receive text <SPAN 
    class=mceItemHiddenSpellWord>wirelessly</SPAN></SPAN><BR>&gt; through 
    sip<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR><SPAN 
    class=mceItemHidden>&gt; Andres <SPAN 
    class=mceItemHiddenSpellWord>Paglayan</SPAN></SPAN><BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt; 
    --"Harmony is more important than being right"<BR>&gt;<BR><SPAN 
    class=mceItemHidden>&gt; <SPAN 
    class=mceItemHiddenSpellWord>Bapak</SPAN></SPAN><BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR>&gt;<BR><BR><BR><BR><BR>_______________________________________________<BR><SPAN 
    class=mceItemHidden>--Bandwidth and <SPAN 
    class=mceItemHiddenSpellWord>Colocation</SPAN> Provided by </SPAN><A 
    href="http://www.api-digital.com--" target=_blank 
    mce_href="http://www.api-digital.com--"><SPAN class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>http</SPAN>://www.<SPAN 
    class=mceItemHiddenSpellWord>api</SPAN>-digital.com--</SPAN></A><BR><BR>asterisk-biz 
    mailing list<BR><SPAN class=mceItemHidden>To <SPAN 
    class=mceItemHiddenSpellWord>UNSUBSCRIBE</SPAN> or update options 
    visit:</SPAN><BR><A 
    href="http://lists.digium.com/mailman/listinfo/asterisk-biz" target=_blank 
    mce_href="http://lists.digium.com/mailman/listinfo/asterisk-biz"><SPAN 
    class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>http</SPAN>://lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com/mailman/<SPAN 
    class=mceItemHiddenSpellWord>listinfo</SPAN>/asterisk-biz</SPAN></A><BR><BR>_______________________________________________<BR><SPAN 
    class=mceItemHidden>--Bandwidth and <SPAN 
    class=mceItemHiddenSpellWord>Colocation</SPAN> Provided by </SPAN><A 
    href="http://www.api-digital.com--" target=_blank 
    mce_href="http://www.api-digital.com--"><SPAN class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>http</SPAN>://www.<SPAN 
    class=mceItemHiddenSpellWord>api</SPAN>-digital.com--</SPAN></A><BR><BR>asterisk-biz 
    mailing list<BR><SPAN class=mceItemHidden>To <SPAN 
    class=mceItemHiddenSpellWord>UNSUBSCRIBE</SPAN> or update options 
    visit:</SPAN><BR><A 
    href="http://lists.digium.com/mailman/listinfo/asterisk-biz" target=_blank 
    mce_href="http://lists.digium.com/mailman/listinfo/asterisk-biz"><SPAN 
    class=mceItemHidden><SPAN 
    class=mceItemHiddenSpellWord>http</SPAN>://lists.<SPAN 
    class=mceItemHiddenSpellWord>digium</SPAN>.com/mailman/<SPAN 
    class=mceItemHiddenSpellWord>listinfo</SPAN>/asterisk-biz</SPAN></A><BR></BLOCKQUOTE></DIV></BLOCKQUOTE></BODY></HTML>