quiet zone - You can't use your phone in a , you hang up - When you finish a phone call, , leave a voice message - If someone doesn't answer the phone, you can , put the mobile on silent mode - If you are at the meeting, you can , you can call back later - If someone's phone is off, is your ringtone - The sound your mobile makes when someone calls, phone numbers from Contact List - When you call someone, you use, the line is busy or engaged - If someone is calling you when you are talking on the phone, to browse the Internet - You can use your smartphone , sending them messages in the Messangers  - You often contact your friends,

Solutions Intermediate unit 8

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