My softphone expects a hostname in SIP URLs. How do I do that?
Some softphones expect to be called with a SIP URL that includes a hostname, not just a phone number. The host will usually be your sip provider's registration server, so if that is sip.mysipprovider.com and you are calling 01234 56789 the softphone would expect email@example.com.
You can achieve this by using the Custom URL option. You should configure the custom URL as:
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