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<H2><A NAME="1tr6"></A> <A NAME="s26">26.</A> <A HREF="i4lfaq.html#toc26">1tr6: German Pecularities for 1TR6 </A></H2>

<H2><A NAME="1tr6_eaz"></A> <A NAME="ss26.1">26.1</A> <A HREF="i4lfaq.html#toc26.1">1tr6_eaz: Which EAZ should I use for i4l? </A>
</H2>

<P>You can use all available EAZ. However, two EAZ have a special meaning and
can cause problems:
<PRE>
EAZ 0: global call (all telephones ring)
EAZ 9: global call (no telephone rings)
</PRE>

Gernot Zander <CODE>
<A HREF="mailto:hifi@scorpio.in-berlin.de">hifi@scorpio.in-berlin.de</A></CODE> wrote about this on 6. Jan 1997:
<BLOCKQUOTE>
I would not use 0, for my taste it is too likely that i4l will steal
all voice connections.
</BLOCKQUOTE>
</P>

<H2><A NAME="1tr6_extension"></A> <A NAME="ss26.2">26.2</A> <A HREF="i4lfaq.html#toc26.2">1tr6_extension: I use 1TR6 on an extension - the extension number has more than one digit (e.g. 206). What is my EAZ? </A>
</H2>

<P>Jens Ey <CODE>
<A HREF="mailto:jens@jeyhh.shnet.org">jens@jeyhh.shnet.org</A></CODE> wrote on 10 Jan 1997:</P>
<P>The EAZ for extensions is usuAlly the last digit of the extension number.
As EAZ for the Linux computer you should then enter a '6'.</P>

<H2><A NAME="1tr6_spv"></A> <A NAME="ss26.3">26.3</A> <A HREF="i4lfaq.html#toc26.3">1tr6_spv: What is a SPV? </A>
</H2>

<P>SPV stands for &quot;semipermanente Verbindung&quot; (semipermanent connection)
and is a (soon to be obsolete) speciality of the German Telekom. Like
a leased line, the calling partner is fixed, however the connection
is only established as needed (which occurs very quickly, much quicker
that a dial connection). Since the Telekom can use the line for other
things when it's not needed, the SPV is cheaper than a leased line.</P>
<P>This SPV is not to be confused with the Austrian understanding of SPV. The
Austrian `SPV' has one channel leased line, and one channel for dialing.</P>

<H2><A NAME="1tr6_spvdial"></A> <A NAME="ss26.4">26.4</A> <A HREF="i4lfaq.html#toc26.4">1tr6_spvdial: Does isdn4linux support SPVs? How? </A>
</H2>

<P>To switch on the support for SPVs, add an &quot;S&quot; before the number
to be dialed. This works (quite well) for modem emulations as well
as for defined network interfaces.</P>


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