Telephone phrasal verbs

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Across
  1. 3. To be inaudible over the mobile phone
  2. 4. To answer the phone
  3. 6. To contact by telephone
  4. 9. To wait for a short time
Down
  1. 1. To end the telephone call by breaking the connection
  2. 2. To connect by telephone with someone else
  3. 5. To interrupt a telephone conversation
  4. 7. To wait for a short time
  5. 8. To return a phone call