Finds the ACTIVE phone-number identity for a dialed number on a provider, or null. Never throws.
Inbound routing by number: directly looks up the active agent identity for the dialed number,
falling back to resolving through the PhoneNumber row if needed.
Finds the ACTIVE phone-number identity for a dialed number on a provider, or
null. Never throws.Inbound routing by number: directly looks up the active agent identity for the dialed number, falling back to resolving through the
PhoneNumberrow if needed.