Avaya 4600 Series manual Resolution

Troubleshooting Guidelines

Table 5-1. Some Error Conditions in Operation of 4600 Series IP Telephones —Continued

Condition	Cause/Resolution
The telephone works properly, except sidetone	CAUSE: PBX suppresses sidetone
DTMF is not heard.	DTMF.
	RESOLUTION: On PBX administration,
	on the Change-System-Parameters
	screen, enable On-Hook Dialing. If the
	user has Hands-Free Answer (HFA) and
	answers the call on the telephone’s
	speakerphone, then switches to the
	handset, pressing the dialpad buttons
	does not send DTMF tones. This is a
	known bug, and the only current
	resolution is to disable HFA.
Hands-Free Answer (HFA) is administered but the	CAUSE: HFA only works if the
telephone did not automatically answer a call.	telephone is idle. If a second call comes
	into the telephone while the first call is in
	progress (including ringing before the
	first call is answered), the second call is
	ignored.
	RESOLUTION: None.
The TFTP application terminates and asks for	CAUSE: Non-Avaya shareware or
registration.	freeware TFTP applications often cease
	operating to request registration.
	RESOLUTION:
	Short-term:Restart the application.
	Long-term:Register the product or
	replace it with an application that does
	not behave this way (for example,
	Avaya’s TFTP application).

Error Conditions

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