Aastra Telecom 55I, 57I CT, 53I manual Handsfree tx gain

Configuration Parameters

Operational, Basic, and Advanced Parameters

Parameter –	Configuration Files	aastra.cfg, <mac>.cfg
handsfree tx gain
Description	This is the increased (+db) or decreased (-db) amount of signal
	transmitted from the base microphone to the far-end party. The amount of
	Tx gain in the IP phone firmware has been reduced to avoid side-tone and
	echo on the local and far-end equipment. This parameter allows you to
	adjust the Tx gain settings to best suit your comfort level and deployment
	environment.
	Note: The example below increases the speakerphone mic transmit gain
	by 10 db.
Format	Integer
Default Value	0
Range	-10 db to +10 db
Example	handsfree tx gain: 10

Appendix A

Parameter –	IP Phone UI		Options->Set Audio
audio mode	Configuration Files		aastra.cfg, <mac>.cfg
Description	Allows you to configure how the "handsfree" key on the IP phone operates.
Format	Integer
Default Value	0
Range	0	Speaker - Calls can be made or received using the handset or
		handsfree speakerphone and can be switched between the two
		modes by pressing the d /fkey. When on speaker, you can return to
		using the handset by placing the handset on the cradle and
		picking it up again.
	1	Headset - Calls can be made or received using the headset. Calls
		can be switched between the headset and handset by pressing the d
		/fkey.
	2	Speaker/headset - Incoming calls are sent to the speakerphone . By
		pressing the d /f key, you can switch between the handsfree
		speakerphone, the headset, and the handset.
	3	Headset/speaker - Incoming calls are sent to the headset. By
		pressing the d /fkey, you can switch between the headset, the
		handsfree speakerphone, and the handset.
Example	audio mode: 2

41-001160-00, Release 2.1, Rev 04 A-127