So we're currently running CM 5.2 and we have converted some analog phones to 9600sip in CM via SPA112 converter. The problem is whenever we dial it gets us a fast busy tone. Same thing happens if another station dials the converted phones extension. Other things I notice are the SIP trunk between CM and SES keeps getting OOS-FE and whenever I list trace the converted phone, nothing shows on the trace? Any inputs? Things I've tried are busy/release the signalling/trunk, restart the SES service, re-register the user from CM and SES, match the configs of SPA112 to CM. Btw, this was working before, the only activity we've done is change the time of CM, reboot and this happened.