Error Message: "Your Network Is Configured Such That You Can Not Make Phone Calls" with ZoneAlarm This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
This article was previously published under Q320783 SYMPTOMS
When you try to dial a phone number in Windows Messenger version 4.6, you may receive the following error message:
Your network is configured such that you can not make phone calls.
CAUSE
This behavior may occur if you are running the Zone Labs "ZoneAlarm" program. By default, ZoneAlarm blocks the "echo protocol" that Windows Messenger uses to determine whether the PC to Phone service will work.
RESOLUTION
To work around this behavior, configure ZoneAlarm to permit outbound traffic to e450.voice.microsoft.com. For information about how to configure ZoneAlarm, view the documentation that is included with ZoneAlarm.
STATUSThis behavior is by design. MORE INFORMATIONThe third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
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