== Spawn extension (call-center-transfer/n, Local/101, 1) exited non-zero on 'SIP/749XXXXXXX-0000aae7'
[2018-03-23 09:53:02]
WARNING[61008][C-0000594f]: pbx.c:6863 __ast_pbx_run: Channel 'SIP/749XXXXXXX-0000aae7' sent to invalid extension but no invalid handler: context,exten,priority=call-center-transfer/n,Local/101,1