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Using AT&T Unified Messaging, I am unable to make entries into the address book. If I try under Internet Explorer, It will take my entry. Is there something to make this work?

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I go to the AT&T website um.att.com, sign in to my account, and everything works fine in terms of getting or sending messages. But I cannot enter anything in the address book (to store email addresses). If I go to the site using Internet Explorer instead of Firefox, I am able to make address book entries. I spoke to AT&T, and they suggested there might be some add-on app, but they did not know of anything.

I go to the AT&T website um.att.com, sign in to my account, and everything works fine in terms of getting or sending messages. But I cannot enter anything in the address book (to store email addresses). If I go to the site using Internet Explorer instead of Firefox, I am able to make address book entries. I spoke to AT&T, and they suggested there might be some add-on app, but they did not know of anything.

Modified by PaulJacobson