VTech SIP Cordless Series Master User Manual page 21

Installation
SIP classic trimstyle 1-line/2-line - S1310/S1320
Installation option - converting from desktop to wall mount position:
Turn the mounting bracket upside down so that the mounting eyelet on the bracket is facing in the same direction as the other
Mount the charging base on the wall by positioning the eyelets on the charging base and the mounting bracket against the
Plug the Cat-5 network cable back to the network wall jack (with PoE) Then place the handset on the
Protruding edge
18
Eyelets