Polycom MGC Administrator Administrator's Manual page 522

Appendix B: PPP Setup
B-12
3. Assign a name to that connection (If you have more than one modem
defined, you are also required to select the relevant one).
4. Click Next.
5. Type the phone number of the line connected to the MCU.
6. Click Next.
7. Click Finish to enter the connection in your dial-up connections window.
At this stage, you should see a dial-up icon.
a. To configure this connection, right-click on its icon, and choose
Properties.