you need to set your tenor to be loop start. E&M is normall for a digital tenro that uses a T1/E1 circuit.
Cas Signaling Type = loop start(1)
Cas Orientation = user(0)
Dial Tone Detect = yes(1)
Dial Delay Timeout = 1000
Answer Delay Timeout = 20
Flash-Hook Signaling = no(0)
Supervision = answer and disconnect(3)
Caller Id Detection = no(0)
dtmf-ontime = 100
dtmf-offtime = 100