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Old 09-14-2010, 01:49 PM
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mongo5150 mongo5150 is offline
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Default TAPI via User4.2.31 on R5 IP500

I have a site I have been working with the IT guy.

User has Desktop w/XP Pro, with the windows firewall turned off. (Network Firewall)
We are installing the TAPI drivers, but keep getting “InstallDll” error, which states that “No IP Office Detected on the Network.”

LAN port is on the same subnet as the pc's. We tried another pc, and that worked fine, so that tells me not a firewall issue.

What else could be blocking? I am sending the firewall.bat, just in case, but I dont think that is the issue.
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Old 09-15-2010, 08:46 AM
pdgavin pdgavin is offline
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Are you installing the TAPI as part of the User CD suite or as a stand alone application. Try it as a stand alone application.


FYI some changes have been made to the TAPI installation and the AvayaFW.bat has not been updated since then so you may want to add the exceptions manually. You can copy and paste into a command prompt or into a bat file.

set avfwpg="%SystemRoot%\system32\tspi2w.tsp"
set avfwpn="Avaya IPOffice - TAPI2 Service Provider"

netsh firewall add allowedprogram program=%avfwpg% name=%avfwpn% mode=ENABLE scope=ALL profile=ALL

netsh firewall add portopening protocol=UDP port=50797 name="Avaya Port 50797 UDP" mode=ENABLE scope=ALL profile=ALL

The software must be installed before you run the bat file but you can always run the bat file again it will not hurt anything.

Second thing is that the AvayaFW.bat only puts exceptions in the Windows Firewall. Look for other firewalls that may be installed like Black-Ice Defender or Norton or Panda Firewall or anti-virus software. You may have to look at temporarily disabling those.

Last edited by pdgavin; 09-15-2010 at 08:55 AM. Reason: correction
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Old 09-15-2010, 12:35 PM
pdgavin pdgavin is offline
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When it is looking for the IP Office it is to make the installation easier. When you install the TAPI service provider it has to know what the IP address of the IP Office is and what the User name and password of the user you are setting up are. You should be able to skip passed this and complete the install and then go into the control panel/phones and modems and setup the IP Office TAPI service provider manually if necessary.
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