Uniden UIP312 - Manual (Page 12)

6.2 How to Use the Headset and Headset Adapter
ƒ Insert the Headset Adapter into the SPK and MIC holes on the left side of the phone
ƒ Insert the RJ-11(4-Pin) headset jack from headset into the Headset Adapter.
RJ-11 4P
Speaker MIC
Note: You can use any standard headset since UIP312’s headset pin map conforms to the
standard.
When using RJ-11 Adapter, use a headset with the pin map following the order
[MIC+, Speaker, Speaker, MIC-].
For maximum voice quality when using the headset, the following headsets are
recommended.
----------------------------------------------------------------------------
Plantronics TriStar H81, GN Netcom Headset
----------------------------------------------------------------------------
Page 8