Across
- 2. Technology that allows you to make voice calls using broadband Internet.
- 4. Manufacturer of the first mobile phone, DynaTAC 8000x
- 5. Equipment often used to provide a handsfree speaker and microphone
- 9. Telephone inventor's contemporary rival
- 10. IT Training site for enterprise technology
- 11. Public Switched Telephone Network
- 12. Dual-tone multi-frequency signaling - the tones you hear when dialing
- 13. Military network that delivered the first VoIP calls
- 14. Click here to access device settings
Down
- 1. Sound made to indicate an incoming call
- 3. Button to click for additional features
- 6. Credited with being the inventor of the telephone
- 7. Consolidated platform for messaging, meetings, file sharing and collaboration
- 8. Plain old telephone service
- 13. Greeting telephone inventor wanted to use when answering the telephone