Now ,the phone can't access voicemail(When I dial voice mail pilot number ,only fast busy tone) . And after I restart unity service ,the unity come to work well . why ?
During restart unity service process , the system prompt on web :
Error:XML fetch fail -- possibly a problem with AvXml.dll or it's permissions. Check that " AvXml" virtual directory setting in IIS have pro permissions and all execute access . please see the Troubleshooting Guide for detail.
Introduction: The "external-out enable" command is available for
configuration under the "router ospf process" in case of the IOS-XR
operating system. This command basically enables advertisement of
intra-area routes on the device as external routes in th...
IntroductionIn this article we'll discuss how to troubleshoot packet
loss in the asr9000 and specifically understanding the NP drop counters,
what they mean and what you can do to mitigate them. This document will
be an ongoing effort to improve troublesh...