I am trying to connect a fax behind an ATA186 device, but the problem is that I can send faxes without any problem, but I can not receive them.
It is a fact that when I am sending a fax the call is passing just through the Gateway (not the CM) and it is working fine, BUT, when I try to receive a fax the call is passing through the CM and it is NOT working at all. Another thing is that I can talk (voice) using the fax extension (just the fax is not working).
The settings described here may apply only to gateways using the H.323 or SIP signaling protocols. For detailed information for setting up your IOS gateways and feature availability, please refer to the document Cisco Fax Services over IP.
CM no problem
Update ATA Version to 2.15
Check Fax configuration (setup tone)
Check this document
Configuring and Debugging Fax Services
for the Cisco ATA 186/188- EDCS Document ID: ENG-235572
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The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.