|An entry in the [General] section is only required if your Asterisk
switch is operating from a dynamic public IP address. Also, you will need to
configure your DUAL Talk account to allow registrations from dynamic IP addresses.
You can set this on the Access Methods page of My DUAL Talk.
If your public IP address is static, you should add
that IP address to the Access Methods page of My DUAL Talk.
register => [Account number]:[Password]@sip.dualtalk.com
Define the DUAL Talk route:
Replace [Account number] with your DUAL Talk account
number and replace [Password] with your DUAL Talk