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Symptoms

Assume that you want to make a call by using Lync for Mac 2011. You enter a plus sign (+) on the dial pad when you try to dial a telephone number. In this situation, you receive the following error message:

Character not valid

Resolution

To resolve the issue, install the following cumulative update:

2844274 Description of the Microsoft Lync for Mac 2011 14.0.5 update

More Information

For more information about dial plans and normalization rules, go to the following Microsoft website:

General information about dial plans and normalization rulesFor more information about how to configure dial plans and normalization rules, go to the following Microsoft website:

How to configure dial plans and normalization rules

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