*CLI> [May 22 16:37:00] NOTICE[8955]: chan_zap.c:6351 ss_thread: Got event 18 (Ring Begin)...
[May 22 16:37:03] NOTICE[8955]: chan_zap.c:6351 ss_thread: Got event 2 (Ring/Answered)...
[May 22 16:37:03] WARNING[8955]: pbx.c:2450 __ast_pbx_run: Channel 'Zap/4-1' sent into invalid extension 's' in context 'default', but no invalid handler
[May 22 16:37:16] WARNING[8958]: chan_zap.c:6483 ss_thread: CallerID returned with error on channel 'Zap/4-1'
[May 22 16:37:16] WARNING[8958]: pbx.c:2450 __ast_pbx_run: Channel 'Zap/4-1' sent into invalid extension 's' in context 'default', but no invalid handler