When I open the phone book from my endpoint and open a folder, no ISDN numbers are shown for entries that should have ISDN

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Updated:April 23, 2015

Document ID:112416

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Introduction

When I open the phone book from my endpoint and open a folder, no ISDN numbers are shown for entries that should have ISDN

Related Information

Introduction

This article relates to Cisco TelePresence Management Suite.

Q. When I open the phone book from my endpoint and open a folder, no ISDN numbers are shown for entries that should have ISDN

A. TMS will only show phone book entries if there is a valid call route between your system and the calling information in the phonebook entry.

If no ISDN numbers are shown, TMS cannot register that your endpoint can make ISDN calls.