Removed assert when we cannot find a call on RelInd, it seems like Trillium as a bug where they sometimes send release twice
Fixes to some memory leaks
Fix for bug in q921 trace disable command
Fix for not recognizing etsi switchtype
Fix for sending RESTART when we are not supposed to in EUROISDN NETWORK mode
Support for l1 stats
Fix for deadlocks/segfaults on shutdown
Added index per link_id, support for show_spans
Added progress-ind when sending CONNECT message
Fix for sending CONNECT ACK when configured as TE