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	<title>Comments on: Billing calls from potatoes (Part III)</title>
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	<link>http://www.villagetelco.org/2009/12/billing-calls-from-potatoes-part-iii/</link>
	<description>an easy-to-use, scalable, standards-based, wireless, local, do-it-yourself, telephone company toolkit</description>
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		<title>By: aep</title>
		<link>http://www.villagetelco.org/2009/12/billing-calls-from-potatoes-part-iii/comment-page-1/#comment-504</link>
		<dc:creator>aep</dc:creator>
		<pubDate>Thu, 10 Dec 2009 11:17:29 +0000</pubDate>
		<guid isPermaLink="false">http://www.villagetelco.org/?p=441#comment-504</guid>
		<description>I think we need to sit down and discuss this in detail. In principle we do not want calls (at least the signalling) to route directly between nodes as we need to bill local calls too in some scenarios. So Dialing directly is only of the possible scenarios</description>
		<content:encoded><![CDATA[<p>I think we need to sit down and discuss this in detail. In principle we do not want calls (at least the signalling) to route directly between nodes as we need to bill local calls too in some scenarios. So Dialing directly is only of the possible scenarios</p>
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		<title>By: David Rowe</title>
		<link>http://www.villagetelco.org/2009/12/billing-calls-from-potatoes-part-iii/comment-page-1/#comment-489</link>
		<dc:creator>David Rowe</dc:creator>
		<pubDate>Tue, 08 Dec 2009 23:22:01 +0000</pubDate>
		<guid isPermaLink="false">http://www.villagetelco.org/?p=441#comment-489</guid>
		<description>Thanks Alberto, some questions/comments:

1/ So for Auth-mode the username/pass is stored on the MP?  That means we need to ensure no one can access the MP e.g. via ssh or via physical access.  Guess the latter is similar to a cell phone but without a SIM it&#039;s easier for another SIP device on the network to mimic the MP.

2/ Several people have asked about the choice of Asterisk on the MP - an entry in the &lt;a href=&quot;http://wiki.villagetelco.org/index.php/FAQ&quot; rel=&quot;nofollow&quot;&gt;Village Telco FAQ&lt;/a&gt; summarises the reasons.

Curiously, no one has given a really good answer to the question &quot;why not Asterisk?&quot; yet :-)

3/ By default the MPs are pre-confiured to be able to dial the IP of other MPs on the same mesh.  Basically you power them up, get dial tone, and dial an IP.  No configuration is required.  

It would be good to ensure authentication is only required for off-mesh calls via a gateway.  That way the MP will keep it&#039;s ease-of-use/zero-conf feel.

Cheers,

David</description>
		<content:encoded><![CDATA[<p>Thanks Alberto, some questions/comments:</p>
<p>1/ So for Auth-mode the username/pass is stored on the MP?  That means we need to ensure no one can access the MP e.g. via ssh or via physical access.  Guess the latter is similar to a cell phone but without a SIM it&#8217;s easier for another SIP device on the network to mimic the MP.</p>
<p>2/ Several people have asked about the choice of Asterisk on the MP &#8211; an entry in the <a href="http://wiki.villagetelco.org/index.php/FAQ" rel="nofollow" onclick="pageTracker._trackPageview('/outgoing/wiki.villagetelco.org/index.php/FAQ?referer=');">Village Telco FAQ</a> summarises the reasons.</p>
<p>Curiously, no one has given a really good answer to the question &#8220;why not Asterisk?&#8221; yet <img src='http://www.villagetelco.org/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> </p>
<p>3/ By default the MPs are pre-confiured to be able to dial the IP of other MPs on the same mesh.  Basically you power them up, get dial tone, and dial an IP.  No configuration is required.  </p>
<p>It would be good to ensure authentication is only required for off-mesh calls via a gateway.  That way the MP will keep it&#8217;s ease-of-use/zero-conf feel.</p>
<p>Cheers,</p>
<p>David</p>
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		<title>By: aep</title>
		<link>http://www.villagetelco.org/2009/12/billing-calls-from-potatoes-part-iii/comment-page-1/#comment-476</link>
		<dc:creator>aep</dc:creator>
		<pubDate>Sun, 06 Dec 2009 23:06:50 +0000</pubDate>
		<guid isPermaLink="false">http://www.villagetelco.org/?p=441#comment-476</guid>
		<description>Once the mesh potatoes discover the gateway and are &quot;SIP provisioned&quot; (user/pass) we need to be able to place authenticated calls and unauthenticated calls.

Authenticated calls will match a A2Billing account/credit
Unauthenticated calls will enter another Asterisk context in A2billing prompting for the account number (pay phone mode) 

So in a nutshell we need a way to commute a potato from one mode to another.

One way is to create an IVR to set a PIN number in the mesh potato, if the number is pre-pended by the PIN the call is authenticated. Something to talk in March in Europe or to ask in the list! 

I wonder if running Asterisk in the MP is really the way to go, or is better to run something lighter... a basic SIP client.</description>
		<content:encoded><![CDATA[<p>Once the mesh potatoes discover the gateway and are &#8220;SIP provisioned&#8221; (user/pass) we need to be able to place authenticated calls and unauthenticated calls.</p>
<p>Authenticated calls will match a A2Billing account/credit<br />
Unauthenticated calls will enter another Asterisk context in A2billing prompting for the account number (pay phone mode) </p>
<p>So in a nutshell we need a way to commute a potato from one mode to another.</p>
<p>One way is to create an IVR to set a PIN number in the mesh potato, if the number is pre-pended by the PIN the call is authenticated. Something to talk in March in Europe or to ask in the list! </p>
<p>I wonder if running Asterisk in the MP is really the way to go, or is better to run something lighter&#8230; a basic SIP client.</p>
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		<title>By: David Rowe</title>
		<link>http://www.villagetelco.org/2009/12/billing-calls-from-potatoes-part-iii/comment-page-1/#comment-474</link>
		<dc:creator>David Rowe</dc:creator>
		<pubDate>Sun, 06 Dec 2009 20:38:50 +0000</pubDate>
		<guid isPermaLink="false">http://www.villagetelco.org/?p=441#comment-474</guid>
		<description>I like the quote about 1 minute planning and how that reflects on coding Alberto.

Re system integration what code do you need to place on the Mesh Potatoes to make them work with your billing system?

Thanks,

David</description>
		<content:encoded><![CDATA[<p>I like the quote about 1 minute planning and how that reflects on coding Alberto.</p>
<p>Re system integration what code do you need to place on the Mesh Potatoes to make them work with your billing system?</p>
<p>Thanks,</p>
<p>David</p>
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