Tap ->Advanced (default password: admin) ->Account.
Tap Enabled in the pop-up dialog box.
5. Enter the desired value in the Label, Display Name, Register Name, User Name, Password and SIP Server1/2 field respectively. The sip server would be your realm, for example in the above extension the realm would be aasani.net.
Tap the Outbound Status field.
Enter the desired value in the Outbound Proxy1/2 and Proxy Fallback Interval field respectively. Contact your system administrator for more information.
7. Tap the Save soft key to accept the change or to cancel. You can repeat steps 2 to 7 to register more accounts.
Tap Disabled in the pop-up dialog box.
Tap the Save soft key to accept the change or to cancel.
Tap the Default Account field.
Tap the desired account in the pop-up dialog box.
will use this account by default when dialing out.
You can also tap the label of the default account, and then tap the desired account to be the new default account.