Appendix A - Installation Notes
© Polycom, Inc. A-5
❑The ISDN BRI service must allow videoconferencing calls to be dialed on
either B channel or on both simultaneously.
❑The D channel should not permit X.25 packet data.
❑The ISDN BRI service must be configured as Terminal Type A.
❑The ISDN BRI service must support automatic Terminal Endpoint Identifiers
(TEIs).
❑The ISDN BRI service must be tariffed and available from the customer’s local
central office.