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Chapter 2 Optional Configurations
ViewStation User Guide 56 www.polycom.com
ISDN Switch Protocol: Select the appropriate ISDN switch
protocols. Contact the ISDN provider to determine the ISDN
switch protocol.
Service Profile IDs (SPIDs): The Service Profile Identifiers
screen (SPIDs) appears only if United States or Canada is
selected as the country. If the ViewStation is connected to an
internal phone system (PBX), a SPID might not need to be
entered.
Note If the ViewStation is unable to find the SPIDs, check the
network connection and verify that the ISDN numbers have
been entered correctly:
• Enter the SPID numbers provided by the ISDN service
provider.
• If the ViewStation is connected to a PBX, select the PBX
icon.
To auto-detect the SPID numbers, highlight the Start icon and
press the SELECT button on the remote control.
Note If this process is canceled, the ViewStation reboots and the
entire setup procedure must be redone.
ISDN Dialing Prefix: The ISDN dialing prefix is used to access an
outside line if the ViewStation is connected to a PBX.