Administer the Local Country Code and International Access Code at both the SBS Originating and SBS Terminating Nodes using the Feature-Related System Parameters screen.
Procedure
Enter change system-parameters features.
Click Next until you see the International Calling Routing Parameters fields.
In the Local Country Code field, enter the three-digit country code for this node.
In the United States this field is populated with 1.
In the International Access Code field, enter the access code required by the Public Switched Telephone Network (PSTN) to route calls out of the country.
