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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kevin P. Fleming wrote:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<pre><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>> This is because hook-flash support is in chan_zap, not in the core of</span></font></pre><pre><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>> Asterisk. There is no need to support hook-flash on any other channel</span></font></pre><pre><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>> type, because every other channel type supported by Asterisk has its own</span></font></pre><pre><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>> (more reliable) methods of signaling.</span></font></pre>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I’m seeing many discussions on how to provision Blind Transfer,
Attendant Transfer and Call Parking services using keypad keys # and * to
invoke the services, however its not clear to me how can it be possible without
interfering to normal call when service is not being invoked.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>For instance, I usually access an external IVR system that uses
# and * signals in its menu for interaction with the caller. Let’s say I
provision a SIP phone (that do not support services like Transfer locally) to
have the services provided by Asterisk. May question is, If I call to this IVR
system and signals # and/or * are required for interaction with the system,
what will happen when I dial # or *?</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Is there any alternative to invoke mid-call services without
using the # and * signals? I was expecting to use Hook-Flash either via INFO or
RTP telephone-event.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks a lot!</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Marcelo.</span></font></p>
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