One preferred embodiment of the present invention provides a system and method for checking {HEAD ~ the performance} of sub systems in {TAIL ~ an inter messaging network} of voice mail systems 
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One preferred embodiment of the present invention provides a system and method for checking { HEAD ~ the performance } of sub systems in { TAIL ~ an inter messaging network } of voice mail systems
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH