How to mute on handsfree? - Cortelco Patriot 2193 Corded Phone

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If handsfree is enabled on your telephone, any line or intercom button activates the handsfree, if you press the handsfree button after selecting the line then the button activates handsfree mute, Press the handsfree mute button again to un-mute the line.

yes the yellow wire is mute and needs to be connected to the mute on the back of your radio.

If you have a hansfree/ mute button (green button on the lower right) pressing the handsfree a second time mutes the mic. pressing the handsfree button again activates the mic

The handsfree.mute key is turned off by the release (Rls) key.

To get handsfree working on any T7316 telephone you have to go into system programming to make sure full handsfree as been set to either Auto or Standard depending on software level of system you will get a choice but on latest version of software only option is for Auto, to check on telephone if handsfree as been programmed leave handset on phone press feature * 0 you will see key enquiry press a key in display, press the bottom intercom key on r/h/s of phone if it says extn number handsfree as not been programmed if it says handsfree mute you should be able to press handsfree key on phone to make or answer a call.

sounds as if you will need your vendor to program your phone and others that need be to have Handsfree/mute capabilities.. i assume since you can not mute then you can not place your phone on Handsfree either.

The button for handsfree is the same button for Mute.
So when you are on the handsfree call, press the handsfree button again and the call is muted on your side.

To talk again, press the handsfree button to un-mute the call, then press it again to mute your call.

To hang up press the orange RLS button.

go to sony ericsson web site and you can down load the user mannual

what is the make and model of the head unit - not many aftermarket radios have a mute line input