tree 9f907109afbeca0f6b36b1fbb6682dfd24f2b711
parent 38e9ea3f7f385c6660c5958970af5c71adc1682b
author Alexander Couzens <lynxis@fe80.eu> 1471930347 +0200
committer Alexander Couzens <lynxis@fe80.eu> 1475536092 +0200

msc: add counters to track call attempts/active/success/failed

active_calls describe all calls in active state.
call.complete Call got terminated by disconnect requested either by MS or MSC.
call.incomplete Call got terminated by any other reason.
call.active Calls reached active state.
Change-Id: I49b93af2e6a0ba16c2fb00b7b83974e8a6a16df3