* update node image to the latest and most secure (#61)
Co-authored-by: Guilherme Rauen <g.rauen@cognigy.com>
* #62: dont modify refer-to host unless we have a dns name as outbound gateway
* added some tests and cleanup
* update drachtio-srf to latest
* gh action use node lts version
* revert and use node 18.x
* write cdrs and alerts with service_provider_sid
* update to latest @jambonz/http-authenticator which sends sip headers
* add call_sid to cdr when call is connected
* write call counts by SP as well as account, bugfix to allow digit '0' in dtmf-relay