I don't believe that is what my post said. Here, I'll give you a way to integrate your fax server with Callmanager.
Purchase and ATA186.
Configure it for Fax-relay
assign an internal extension to it.
hook your fax server up to it
fax using your fax server
Your fax server is now integrated with Callmanager.
It is what it is!!
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A+, Net+, I-Net+, Certified Web Master, MCP, MCSA, MCSE, CCNA, CCDA, and few others (I got bored one day)