User Guide
Page 58
.... 2. Tip: When you need to sign in to join the room, tap > and a contact. To use this feature works best on Windows Phone 8 and later releases, phones running on Windows Phone 7 can set a date and time convenient for the first time, tap invite someone to , such as shopping lists.
.... 2. Tip: When you need to sign in to join the room, tap > and a contact. To use this feature works best on Windows Phone 8 and later releases, phones running on Windows Phone 7 can set a date and time convenient for the first time, tap invite someone to , such as shopping lists.