This card supports up to four single-line phones. You can use only one of these cards in a system. Does not support 90-volt message waiting lights
When integrated into the KX-TDA50 this card supports Single Line Telephones (SLT) Also equipped with 4 DTMF receivers. 1 card max per system. Will not support 90-vold message waiting on single line telephone sets.
This card supports up to four single-line phones. You can use only one of these cards in a system. Does not support 90-volt message waiting lights
When integrated into the KX-TDA50 this card supports Single Line Telephones (SLT) Also equipped with 4 DTMF receivers. 1 card max per system. Will not support 90-vold message waiting on single line telephone sets.