* dont force ice on srtp calls if not offered
* support customers creating their own dns name for our SBC IPs and putting that in the request-uri of INVITEs
* 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
* add support for incoming calls from carriers we register with, who then put their domain in the host part of incoming INVITE
* fix query to lookup registration carriers
* 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
* support for sip refer to transfer an incoming call
* when sending REFER for call transfer, format Refer-To with carrier trunk if applicable
* better handling of e164 on Refer-To header