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Portable DNs
Once registration is enabled for your Norstar Companion system, a series of extension numbers (637 to 696) automatically becomes available for registration. Check that an extension number is still available before registering a portable telephone to it.
Tip - The extension numbers are based on a system with
However, your system may also have a different starting DN (default 221), so these extensions will reflect that difference.
•If the extension number shows a status of Available, that extension number is ready for registering a Companion portable telephone.
•If the extension number shows a status of Registered, a Companion portable telephone is already registered to that extension number. In this case, you can either pick a different extension number, or
Press ≠to view registered and available DNs.
Note: The DN range 637 to 696 can be used by either portable telephones or ISDN
You can assign up to 30 DNs to portable telephones, leaving 30 for
P0992639 01 | Modular ICS Companion Installer Guide |