Problem Diagnosis from User Description

Problem	Problem Occurs
Problem	Intermittently	Periodically	Continuously
Conversational difficulty	High jitter level	Route flapping	Echo problem
Conversational difficulty	Route flapping	Route flapping	High delay
Gaps in speech	Gaps in speech	Route flapping	Start or end of words missing
	Link failures	RED in Router
	Start or end of words missing	Wireless LAN handoffs
Tick or Pop Sounds	Access link congestion	Route flapping	Access link congestion
	Grounding problem	Softphone timing	LAN congestion
	LAN congestion	Timing drift
Audio quality poor or noisy, level too low or high	Access Link Congestion		Amplitude clipping - "buzzy"
			Distortion
			Hum on call
			Noisy call
	Grounding problem		Voice sounds "dead"
	LAN Congestion		Voice sounds hollow
Speech broken up or distorted	Access Link Congestion	RED in Router	Access Link Congestion
			Bad Ethernet cable
			Distortion
	LAN Congestion	Route flapping	LAN Congestion

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