Getting started
Product overview
This AT&T TR1909 Trimline® telephone with caller ID/call waiting can be used either in desktop or wall mount position, and requires four AA alkaline batteries (not included) for all functions. The telephone can still operate with limited features when there are no batteries installed.
The TR1909 telephone features a
This user’s manual contains detailed instructions for installing and operating your AT&T TR1909 Trimline® telephone with caller ID/call waiting. Please follow the instructions carefully.