Setup Twilio Account
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In addition, if you want to send Voice messages, or enable Phone redirection, Twilio also needs to be able to connect to your Jira instance. If you do not want to enable full access to your Jira instance, you should certainly whitelist following urls: {{base-url}}/rest/nebulio/notifications/1.0/sipphone-trunk redirect and {{base-url}}/rest/nebulio/notifications/1.0/voicemessage/*