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@@ -3,6 +3,10 @@
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<!-- Include general SER documentation entities -->
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<!ENTITY % serentities SYSTEM "../ser_entities.sgml">
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+
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+<!ENTITY % licensing SYSTEM "licensing.sgml">
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+<!ENTITY % serweb SYSTEM "serweb.sgml">
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+
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%serentities;
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]>
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@@ -23,15 +27,96 @@
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</copyright>
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<abstract>
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<para>
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- A compilation of questions and answers from serhelp, serusers, and serdev mailing lists.
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+ A compilation of questions and answers from <email>[email protected]</email>,
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+ <email>[email protected]</email>, and <email>[email protected]</email> mailing
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+ lists.
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</para>
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</abstract>
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</bookinfo>
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<toc></toc>
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<chapter>
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- <title>Frequently Asked Questions</title>
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+ <title>General</title>
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<qandaset>
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+ <qandaentry>
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+ <question>
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+ <simpara>
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+ Is it possible to use &ser; as a &sip; user agent (both of User Agent Client
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+ (&uac;) and User Agent Server (&uas;)?
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+ </simpara>
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+ </question>
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+ <answer>
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+ <simpara>
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+ Not easily. &ser; has built-in some functions that allow to use it as user
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+ agent, but our primary goal is to develop a server so this is without
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+ guarantee and can even dissapear in future versions.
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+ </simpara>
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+ </answer>
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+ </qandaentry>
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+ <qandaentry>
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+ <question>
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+ <simpara>
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+ Can &ser; work well together with some of the location server (e. g.LDAP or DNS) ?
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+ </simpara>
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+ </question>
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+ <answer>
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+ <simpara>
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+ &ser;'s built-in location server uses in-<acronym>RAM</acronym> database for
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+ high performance and optionally MySQL for persistency. More database
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+ protocols may be supplied on contractual basis. As far as I know,
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+ <acronym>DNS</acronym> is not used in the industry for user location.
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+ </simpara>
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+ </answer>
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+ </qandaentry>
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+ <qandaentry>
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+ <question>
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+ <simpara>
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+ What is a proxy server ?
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+ </simpara>
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+ </question>
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+ <answer>
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+ <simpara>
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+ A proxy server is an entity that routes &sip; messages. See &sip
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+ introduction which is part of the distribution.
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+ </simpara>
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+ </answer>
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+ </qandaentry>
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+ <qandaentry>
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+ <question>
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+ What is the difference between proxy server and back to back user agent (B2BUA) ?
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+ </question>
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+ <answer>
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+ <simpara>
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+ The main difference is that proxy servers are transaction-stateful, while
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+ B2BUAs are call stateful. That means proxy servers keep state only during
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+ &sip; transactions (that is at the beginning and and of a call) and do not
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+ keep any state during the whole call.
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+ </simpara>
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+ <simpara>
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+ A B2BUA acts merely as connection of two or more user agents which are
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+ connected through some means. B2BUAs keep some state (usualy some structures
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+ in the memory) during the whole call.
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+ </simpara>
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+ <para>
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+ This property gives B2BUA some interesting features that proxies don't
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+ have. For example B2BUA can tear down and existing call--proxies can't do
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+ that. On the other hand B2BUAs can easily become a bottleneck in terms of
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+ scalability.
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+ </para>
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+ </answer>
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+ </qandaentry>
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+ <qandaentry>
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+ <question>
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+ <simpara>
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+ So is &ser; proxy or B2BUA ? Can it terminate an existing call ?
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+ </simpara>
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+ </question>
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+ <answer>
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+ <simpara>
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+ &ser; is a proxy. I can't terminate existing call.
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+ </simpara>
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+ </answer>
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+ </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -144,19 +229,6 @@
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</simpara>
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</question>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Is there <quote>send IM</quote> page for sending instant messages only or
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- dies it accept replies as well (i.e. does it act like a full &ua;) ?
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- It can send messages only.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -178,22 +250,6 @@
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Is the &sername; (&ser;) free ? Or do we need to pay ? Becaure my boss worry
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- about that, please help me.
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Yes, it is free. See
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- <ulink url="http://cvs.berlios.de/cgi-bin/viewcvs.cgi/*checkout*/ser/sip_router/COPYING?rev=HEAD&content-type=text/plain">
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- http://cvs.berlios.de/cgi-bin/viewcvs.cgi/*checkout*/ser/sip_router/COPYING?rev=HEAD&content-type=text/plain
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- </ulink>
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -240,21 +296,6 @@
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- I have serweb running. I'm able to connect to <acronym>MySQL</acronym>
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- fine. But it doesn't seem like the form params are getting assigned to
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- variables. Is there something obvious I'm missing?
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Please check if <varname>register_globals</varname> is set to On in your
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- <filename>php.ini</filename> file.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -407,7 +448,7 @@
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</question>
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<answer>
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<simpara>
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- we no longer disclose our operational policy to the public audience. The
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+ We no longer disclose our operational policy to the public audience. The
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configuration file is only available to our customers under <acronym>NDA</acronym>.
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</simpara>
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</answer>
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@@ -646,22 +687,6 @@ ser -E 2>/tmp/ser.log
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Can somebody tell me how to configure the serweb? Which directory should I
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- put those files and which file and parameters should I modify. Or maybe this
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- question was asked previously by somebody already, then please provide me a
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- like to those answers.
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Dan Austin's howto (see &ser; webpage) is probably the currently most
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- extensive documentation available.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -701,19 +726,6 @@ ser -E 2>/tmp/ser.log
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Mar 10 16:46:33 ttalksvr /usr/sbin/ser[6592]: connect_db(): Can't connect to
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- local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Make sure your MySQL server is running.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -848,27 +860,6 @@ ser -E 2>/tmp/ser.log
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- I get the following error:
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- </simpara>
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- <screen format="linespecific">
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- 0(5164) db_init(): Error while trying to connect database
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- 0(5164) mod_init(): Error while connecting database
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- 0(5164) init_modules(): Error while initializing module usrloc
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-</screen>
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- <simpara>
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- usrloc module has variable called db_url which contains username, password,
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- hostname, and name of the database. Make sure the settings are correct. See
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- usrloc module documentation for more information.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -982,38 +973,6 @@ $ORIGIN 9.3.8.1.5.6.2.8.5.3.e164.arpa.
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Trying to load the serweb page I get the following error message: Fatal
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- error: Call to undefined function: mysql_pconnect() in
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- /var/www/html/phplib/db_mysql.inc on line 73
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Configure <acronym>PHP</acronym> to load the MySQL extension.
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- </simpara>
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- </answer>
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- </qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- I can open the page and even make changes and save
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- them, but I'm receiving the following warning message:
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- Warning: fopen(?/tmp/ser_fifo?, ?w?) ? Permission
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- denied in /var/www/html/serweb/functions.php on line
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- 172
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- Sorry - cannot open fifo
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Make sure that the user under which the web server is running has read
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- and write access to the <acronym>FIFO</acronym>.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -1064,34 +1023,6 @@ $ORIGIN 9.3.8.1.5.6.2.8.5.3.e164.arpa.
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Is there a way to add/edit/view aliases from serweb?
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- When new user confirm registration, new numeric alias is created. There is
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- no another way to add or edit aliases from serweb.
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- </simpara>
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- </answer>
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- </qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- I am getting a <quote>Forbidden</quote> reply from the Apache. The Apache is
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- ponting to the +index.php for the serweb. I've only changed the &ip; address
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- of the local host to 127.0.0.1 in the +config.php. Does anyone have any
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- suggestions ?
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Check if the file/folder has read permission for everybody.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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@@ -1105,18 +1036,6 @@ $ORIGIN 9.3.8.1.5.6.2.8.5.3.e164.arpa.
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Does MySQL have to reside on localhost?
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- No.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -1248,33 +1167,6 @@ out_uri=sip:addaline.com via_cnt==1".
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- I get following warnings and error on NetBSD when I call
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- user_interface/index.php:
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- </simpara>
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- <simpara>
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- [Wed Jul 16 09:56:53 2003] [error] PHP Warning: Call-time pass-by-reference
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- has been deprecated - argument passed by value; If you would like to pass it
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- by reference, modify the declaration of [runtime function name](). If you
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- would like to enable call-time pass-by-reference, you can set
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- allow_call_time_pass_reference to true in your INI file. However, future
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- versions may not support this any longer. in
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- /usr/pkg/share/httpd/htdocs/iptel/phplib/user.inc on line 72 [Wed Jul 16
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- 09:56:53 2003] [error] PHP Fatal error: Call to undefined function:
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- mysql_pconnect() in /usr/pkg/share/httpd/htdocs/iptel/phplib/db_mysql.inc on
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- line 73
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Simply do what the text says: enable allow_call_time_pass_reference in
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- <filename>/usr/pkg/etc/php.ini</filename> and install <acronym>PHP</acronym>
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- MySQL support.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -1336,18 +1228,6 @@ out_uri=sip:addaline.com via_cnt==1".
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</simpara>
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</answer>
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</qandaentry>
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- <qandaentry>
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- <question>
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- <simpara>
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- Is ser compatible with MySQL 4.x ?
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- </simpara>
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- </question>
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- <answer>
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- <simpara>
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- Yes.
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- </simpara>
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- </answer>
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- </qandaentry>
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<qandaentry>
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<question>
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<simpara>
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@@ -1405,6 +1285,20 @@ out_uri=sip:addaline.com via_cnt==1".
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</simpara>
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</answer>
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</qandaentry>
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+
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+ <qandaentry>
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+ <question>
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+ <simpara>
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+ Is ser compatible with MySQL 4.x ?
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+ </simpara>
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+ </question>
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+ <answer>
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+ <simpara>
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+ Yes.
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+ </simpara>
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+ </answer>
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+ </qandaentry>
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+
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</qandaset>
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</chapter>
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</book>
|
Jan Janak