Public IM (AOL, MSN, Yahoo etc) federation from OCS 2007 R1

We have OCS 2007 R1 running environment containing 1 front end, 1 edge and 1 OCWA. Now i got a new project to federate our OCS with public IM like AOL, MSN, Yahoo etc.
Please help me to gather all requirements for this.

Quick response would be appreciable.
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As long as you have a supported certificate on your Access Edge server then you should already meet the techincal requirements for PIC.

Take a look at this blog article for instructions on how to start the PIC provisioning process and then configure your OCS environment:
pdixit1977Author Commented:
Thanks for the update Jeff but do i need anything else apart of PIC and PIC license is something which i need to install or it will work in background.
The Access Edge server facilitates the PIC connection, so as long as the certificate you have on it is publically trusted and you are publishing 5061 to the Internet then the license provision and internal OCS configuration is all you need to do.  It typically takes about 30 days for the provisioning to become active.

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pdixit1977Author Commented:
Thanks for the adequate information.
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