== Starting post polarity CID detection on channel 1
-- Starting simple switch on 'DAHDI/1-1'
[2015-09-10 18:44:37] WARNING[28007][C-00000050]: sig_analog.c:2512 analogssthread: CID timed out waiting for ring. Exiting simple switch
-- Hanging up on 'DAHDI/1-1'
-- Hungup 'DAHDI/1-1'
So apparently you are trying to use polarity switch detection and it is failing.