We have used ATA 186 devices with our Call Manager system for use with fax machines and analog phones in a manufacturing environment. I am hopeful that the SPA112 can be used as a lower cost alternative to the older ATAs.
I have searched for basic configuration information for use with Call Manager but haven't come across anything.
Can these devices be used with Call Manager and is there basic information available on how to configure them?
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The SPA products are not officially interop tested with CUCM and are thus officially supported.
The SPA products are developed to adhere to standards and relevant RFCs so should have no problem when added as third party SIP devices.
Scroll to the bottom of the https://supportforums.cisco.com/docs/DOC-9899#comment-5703 document where user mreed provides notes on their configuration which will be similar to what you need.
The SPA112 is essentially the same as the Linksys PAP2t adapter.
They both use SIP protocol, and can be added to Callmanager, but I don't think the SPA112 is supported in this configuration.
I was able to get the SPA112 to work with CallManager by adding it as an Advanced SIP device. That uses more licenses (6 I think).
That details getting a Linksys PAP2 device working with CallManager 7.1
I got SPA112's working by using the info in that link. You have to set it all up manually, but it does work.