TEL-405: support originating calls from custom domains

[hechen-eng]

No description provided.

[changeset-bot]

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Latest commit: bb2b1eb

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[alexlivekit]

Interesting. Is the existing Hostname used for anything other than that, and thus cannot be used?

[hechen-eng]

Interesting. Is the existing Hostname used for anything other than that, and thus cannot be used?

What existing Hostname 🤔