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	<id>https://docs.telcobridges.com/w/index.php?action=history&amp;feed=atom&amp;title=MTP2%3AProving_Emergency</id>
	<title>MTP2:Proving Emergency - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://docs.telcobridges.com/w/index.php?action=history&amp;feed=atom&amp;title=MTP2%3AProving_Emergency"/>
	<link rel="alternate" type="text/html" href="https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;action=history"/>
	<updated>2026-07-27T21:35:35Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.41.1</generator>
	<entry>
		<id>https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;diff=2540&amp;oldid=prev</id>
		<title>Ktrueman: clean up</title>
		<link rel="alternate" type="text/html" href="https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;diff=2540&amp;oldid=prev"/>
		<updated>2009-09-02T13:42:08Z</updated>

		<summary type="html">&lt;p&gt;clean up&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:42, 2 September 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Before an MTP2 link can be considered as active, both sides of the connection needs to go through &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;an &lt;/del&gt;handshake to ensure &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;about &lt;/del&gt;the ready state of each peer and to test the quality of the physical transport layer (e.g. the [[timeslot]](s)). &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; The &lt;/del&gt;handshaking involves different [[MSU]] exchanged between both MTP2 layers. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;Two different handshaking are available for an MTP2 link: normal and emergency. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;  &lt;/del&gt;In both cases, the MTP2 link is considered activated if no errors are detected during the proving period. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;The &quot;emergency&quot; mode is used to test the link minimally and to bring it up as &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;quick &lt;/del&gt;as possible.  Therefore, it has the smallest proving period timer. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;The typical value is 500 milliseconds (0.5 seconds) for ITU and 600 milliseconds (0.6 seconds) for ANSI.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Before an MTP2 link can be considered as active, both sides of the connection needs to go through &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a &lt;/ins&gt;handshake to ensure the ready state of each peer and to test the quality of the physical transport layer (e.g.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;the [[timeslot]](s)). &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;This &lt;/ins&gt;handshaking &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;action &lt;/ins&gt;involves different [[MSU]] exchanged between both MTP2 layers.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Two different handshaking &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;methods &lt;/ins&gt;are available for an MTP2 link: normal and emergency. In both cases, the MTP2 link is considered activated if no errors are detected during the proving period. The &quot;emergency&quot; mode is used to test the link minimally and to bring it up as &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;quickly &lt;/ins&gt;as possible.  Therefore, it has the smallest proving period timer. The typical value is 500 milliseconds (0.5 seconds) for ITU and 600 milliseconds (0.6 seconds) for ANSI.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ktrueman</name></author>
	</entry>
	<entry>
		<id>https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;diff=2532&amp;oldid=prev</id>
		<title>Cboulanger at 02:52, 2 September 2009</title>
		<link rel="alternate" type="text/html" href="https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;diff=2532&amp;oldid=prev"/>
		<updated>2009-09-02T02:52:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 22:52, 1 September 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;NEED DESCRIPTION OF WHAT THIS PARAMETER REPRESENTS&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Before an MTP2 link can be considered as active, both sides of the connection needs to go through an handshake to ensure about the ready state of each peer and to test the quality of the physical transport layer (e.g. the [[timeslot]](s)).  The handshaking involves different [[MSU]] exchanged between both MTP2 layers.  Two different handshaking are available for an MTP2 link: normal and emergency&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;  In both cases, the MTP2 link is considered activated if no errors are detected during the &lt;/ins&gt;proving period&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.  The &quot;emergency&quot; mode is used to test &lt;/ins&gt;the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;link minimally and to bring it up &lt;/ins&gt;as &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;quick as possible&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; Therefore, it has the smallest proving period &lt;/ins&gt;timer. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/ins&gt;The typical value is 500 milliseconds (0.5 seconds) for ITU and 600 milliseconds (0.6 seconds) for ANSI.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Emergency &lt;/del&gt;proving period &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;timer (&lt;/del&gt;the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;same &lt;/del&gt;as &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;TTC JT-Q&lt;/del&gt;.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;703 verification &lt;/del&gt;timer&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The typical value is 500 milliseconds (0.5 seconds) for ITU and 600 milliseconds (0.6 seconds) for ANSI.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Needs revising]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Cboulanger</name></author>
	</entry>
	<entry>
		<id>https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;diff=2170&amp;oldid=prev</id>
		<title>Ktrueman: initial content</title>
		<link rel="alternate" type="text/html" href="https://docs.telcobridges.com/w/index.php?title=MTP2:Proving_Emergency&amp;diff=2170&amp;oldid=prev"/>
		<updated>2009-08-14T20:20:27Z</updated>

		<summary type="html">&lt;p&gt;initial content&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;NEED DESCRIPTION OF WHAT THIS PARAMETER REPRESENTS.&lt;br /&gt;
&lt;br /&gt;
Emergency proving period timer (the same as TTC JT-Q.703 verification timer).&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The typical value is 500 milliseconds (0.5 seconds) for ITU and 600 milliseconds (0.6 seconds) for ANSI.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:Needs revising]]&lt;/div&gt;</summary>
		<author><name>Ktrueman</name></author>
	</entry>
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