the SP provided a ISDN PRI voice E1 (q931)and told me they have enabled 4 channels for testing. when i plug the link to router, there is an alarm in the router and SP's rack alarms get cleared. attached herewith router config and error when trying to make a call.
when loop E1 port, it's perfeclty working.
*Feb 13 05:38:38.243: ISDN Se1/0:15 **ERROR**: CC_CHAN_GetIdleChanpri: Interface
*Feb 13 05:38:38.243: ISDN Se1/0:15 **ERROR**: CCPMSG_OutCall: fails with cause