Horizontal duplex multiplier adapter,
for one or two lines.
Can be included in flat-rate shipping.

Horizontal duplex multiplier adapter, <br> for one or two lines.<br>Can be included in flat-rate shipping.
Item# ADAPTER-DUP-HOR
$4.00
Availability: Usually ships the same business day.

Allows two phones or a phone plus a gadget to be plugged into one jack. NOTE: This can NOT be used with most "system" phones.