In the EPM navigation pane, click Multi-Media Configuration > SMS.
On the SMS Processor tab, click Browser Settings.
In the Fetch Timeout field, enter the maximum number of seconds that the SMS browser must wait for the application server to return the requested page.
In the Proxy Server field, enter the fully qualified path to the proxy server.
In the Proxy Port field, enter the port number for the proxy server.
In the Number of Threads field, enter the maximum number of threads that the SMS browser must use for an asynchronous fetch.
You can enter a number between 1 and 500. The default is 50.