Article ID: 890298 - View products that this article applies to.
When you try to make a PC-to-Phone call in Microsoft Office Live Communications Server 2005, the call is not successful, and you receive one of the following error messages:
The call cannot be completed.
Your call did not go through. Please try your call again later.
This problem may occur if the Live Communications Server topology uses a dedicated public switched telephone network (PSTN) gateway host server for routing PC-to-phone calls, and the static route to the dedicated PSTN host is configured incorrectly. For example, this problem may occur if Transmission Control Protocol (TCP) is specified as the transport protocol in a static route, or if an IP address is specified as the next hop in a static route.
To resolve this problem, modify the entries in the Add Static Route dialog box on your server. To do this, follow these steps: