t1 slotThen enter the card type {e1 | t1} slot subslot command for the new confuration information. Step 4. voice-card slot Router(conf)# voice card 1. Enters voice card interfaceSpecification Model Name T1 Reference Kit T1 Sandwich Kit Model Code T1-REF-SDK T1-SW-SDK Overview Compared to the T1 - Sandwich Kit, this confuration is a better choice