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P1 Plan Lync Connection to External Lync Contact

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I have a P1 plan and have enabled communications to external contacts for Lync.  However, I am unable to connect to a Lync user at another company.  Communications with Live messenger uses works fine, but not with the Lync user.


Is Lync to Lync not supported in a P1 plan?




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  • Hi Brad,

    How are things going?

    If you have any other questions or concerns, please do not hesitate to contact us. It is always our pleasure to be of assistance.

    Anna Guo

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  • We can not get the federation to work, we got P1, and it does not look the same as described in the troubleshooting video.

    For instance, there is no option for domain federation in our lync online control panel....

    The extarnal communication is set to active, our partner is using a server version, and have active and working federations with other companies using server versions.

    We can not work with MS live messenger either

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  • Hi Hans-Ola,

    Thanks for your reply.

    If you are using Office 365 Small Business version, you could just enable External communications. Domain federation option is for Office 365 Enterprise version.

    Currently, for Office 365 P plan, Office 365 for professionals and small businesses users cannot use Lync 2010 to see presence, send instant messages, or make video calls to Windows Live Messenger users

    If you have any other questions, I would suggest you post a new thread about the detailed information of the issue you encountered and the steps you have done to resolve it, this is so we could focus on your questions and provide more specific solutions for you.

    Anna Guo

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