Lync CAL for contracts

Question

Hello There,
My client wishes my organization (external vendors) to use MS Lync.  We haven't rolled it out because we don't fully understand how the license works.
The purchasing department of the Organization got MS Lync for the entire organization.  My clients are one of the departments of the organization (but not the purchasing wing).  My clients would like us (external vendors) to us MS Lync 2010 via
their Outlook and their Lync servers.  From their network we are in their Outlook Mail server but physically located somewhere else.
Is my company (the external vendors) allows to use the licenses of my client organization in this manner?
Thanks

Answer 1

If they want you to use a Lync account on their system and on their servers, they would need to purchase a CAL for you.  If they want you to communicate with them via federated communications, where you're logged into a Lync server belonging to your
organization, then you would need to supply the Lync CAL and Lync server license.
It's somewhat of an odd scenario and it may not be in here specifically, but the Lync licensing guide can be found here: http://aka.ms/tnydo0
If there are concerns, I'd reach out to your Microsoft representative.
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