Getting started
Telephone base installation
IMPORTANT INFORMATION
Use only the power adapter supplied with this product. To order a replacement power adapter, visit 
our website at www.telephones.att.com, or call 1 (888) 915-2007.  
In Canada, dial 1 (866) 288-4268.
The power adapter is intended to be correctly oriented in a vertical or floor mount position. The 
prongs are not designed to hold the plug in place if it is plugged into a ceiling, under-the-table or 
cabinet outlet. 
1.
2.
To connect the corded handset and power adapter to the telephone base
Plug the end of the coiled 
handset cord into the 
HANDSET jack on the left side 
of the telephone. 
Plug the small end of the power adapter 
into the power jack at the bottom of the 
telephone base. Route the power adapter 
cord through the slot on the bottom of 
the telephone.
Plug the large end of the 
power adapter into a power 
outlet not controlled by a 
wall switch. 
NOTE: For complete instructions on installing the cordless handset, see Add and register 
handsets on page 10 of this user’s manual, refer to the SynJ SB67108 user’s manual. For 
complete instructions on installing the expansion deskset, see Add and register desksets on 
page 10 of this user’s manual, refer to the SynJ SB67148 user’s manual. You can visit 
www.telephones.att.com to download the user’s manuals. 
6
Raise the two antennas for 
optimum wireless range and 
performance. For greater 
range, add optional repeaters 
(AT&T model SynJ SB67128).