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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>This didn’t work for me either. I
tried using the patch at the link below and it didn’t work either. </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If I were to guess what was happening
here, it would be when the call is forwarded by the phone Asterisk doesn’t
know which device to send the call to. How does it know to open a Zap channel
and dial the command? What tells Asterisk to open Zap channel and dial the
number the phone had it it’s forward? Am I off track here?</span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Joe Pukepail<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, June 28, 2006
10:24 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Asterisk Users Mailing List -
Non-Commercial Discussion<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Asterisk-Users]
Dropping incompatible voice frame</span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>This is known issue, we fixed it by putting an answer() in the
dial plan before it gets forwarded, the fix
transcode_via_sln=no (detailed in the bug tracker) didn't work for me.
YMMV. </span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
<a href="http://bugs.digium.com/view.php?id=4101">http://bugs.digium.com/view.php?id=4101</a><br>
</span></font></p>
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<p class=MsoNormal><span class=gmailquote><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>On 6/28/06, <b><span style='font-weight:bold'>Kevin
Savoy</span></b> <<a href="mailto:ksavoy@novo1.com">ksavoy@novo1.com</a>>
wrote:</span></font></span> </p>
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<div vlink=purple link=blue>
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<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Sorry
if this has been posted before but I'm having an issue where I get the
following on my CLI.</span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>ast_read:
Dropping incompatible voice frame on Local/XXXXXXXXXX of format ulaw since our <span
name=st id=st><span class=st>native</span></span> form has changed to <span name=st
id=st><span class=st>slin</span></span></span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>A
call comes in on our main to toll free number on an AT&T T1 line and is
sent to phone 4000. This is our secretary's desk. If she leaves the desk she
forwards the phone to one of our sister companies so that they would answer the
call. This call is sent back out the AT&T T1. If she answers the call and
then forwards outside the building it works fine but if she forwards her phone
outside the building to auto forward the call when she is away from her desk we
get the above error. I have recreated this on my own phone (both hers and mine
are Polycom 501's) and with a Cisco 7960. I also tried a different toll free
number with the same results. I searched the internet and found four people
having the same issue but none have gotten responses on how to fix it. Each
time it was something similar where the call was redirected. I know the T1's
are configured correctly because all other incoming and outgoing calls work
fine until this error occurs. Then nothing works. </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>I
am using Asterisk <a href="http://1.2.7.1/" target="_blank">1.2.7.1</a> with
Zaptel 1.2.5 and Libpri 1.2.2 . I have tried using both a digium Wctxxp 4 port
and RedFone's Fonebridges and have gotten the same result both ways so the
problem is within Asterisk itself. I also tried allow=all in sip.conf as
well as specifically listing allow= <span name=st id=st><span class=st>slin</span></span>
and all other formats to no avail. </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Also
when this happens the channel is no longer usable even though Asterisk thinks
it is available. When the next call is placed it times out because that channel
has been locked by the above error. The only way out is a complete reboot and
reset of all systems. Not good. </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Any
help would be greatly appreciated. If I had hair left I'd be pulling it out
about now.</span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> </span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Thanks</span></font></p>
<p><font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>_____________________</span></font></p>
<p><font size=4 face=Arial><span style='font-size:14.0pt;font-family:Arial'><img
border=0 width=149 height=37 src="%20" align=baseline> </span></font></p>
<p><strong><b><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>Kevin Savoy</span></font></b></strong></p>
<p><strong><b><font size=2 color=black face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:black'>Business Unit Telecom Analyst</span></font></b></strong></p>
<p><font size=1 color=black face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:black'>2218 4th Ave W</span></font></p>
<p><font size=1 color=black face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:black'>Williston</span></font><font size=1 color=black
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:black'>, ND 58801</span></font></p>
<p><font size=1 color=black face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:black'>Ph: 701-774-4023</span></font></p>
<p><font size=1 color=black face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:black'>Fax: 701-774-2901</span></font></p>
<p><font size=2 color=blue face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:blue'><a href="http://www.novo1.com/" target="_blank"><font size=1
color=black><span style='font-size:7.5pt;color:black'>http://www.novo1.com</span></font></a></span></font></p>
<p><font size=1 color=black face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:black'>Novo 1 is a service mark of Novo 1, Inc</span></font></p>
<p><font size=4 face=Arial><span style='font-size:14.0pt;font-family:Arial'> </span></font></p>
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