Draytek Vigor2820 Series User Manual page 167

As Vigor VoIP Router is turned on, it will first register with Registrar using
AuthorizationUser@Domain/Realm. After that, your call will be bypassed by SIP Proxy to
the destination using AccountName@Domain/Realm as identity.
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Profile
Vigor2820 Series User's Guide
Click this link to access into next page for setting SIP account.
Display the profile name of the account.
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