List Order Down Last Call stop active calls

VERSION: 2.6-380a
BUILD: 121029-0109
Hallo when i choose in List Order " Down Last Call " dialer stop dialing and i have 0 active calls. What is happening?
BUILD: 121029-0109
Hallo when i choose in List Order " Down Last Call " dialer stop dialing and i have 0 active calls. What is happening?