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Troubleshooting guide

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F-2 Optiset E Administrator Guide
The following list identifies those configurations where B-channel
contention could occur:
• Primary phone (with DN assigned) used with the ISDN Adapter
(two DNs assigned)
• Primary phone (with DN assigned) used with an ISDN Adapter
(one DN assigned) and an Analog Adapter (one DN assigned)
• Primary phone (with DN assigned) used with an ISDN Adapter
(one DN assigned) and a Data Adapter (one DN assigned)
• Primary phone (with DN assigned) used with a Data Adapter (one
DN assigned) and an Analog Adapter (one DN assigned)
• Primary phone (with DN assigned) used with a Phone Adapter/
Secondary Phone (one DN assigned) and a Data Adapter in either
phone (one DN assigned)
• Primary phone (with DN assigned) used with an ISDN Adapter,
and with a Phone Adapter/secondary phone (one DN assigned)