| 41. | The Telegraph system operated for many decades until voice communications were experimented with and perfected.
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| 42. | What goes for voice communication applies also to correspondence.
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| 43. | Some airmen were linguists who listened to voice communications.
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| 44. | The temperature and voice communications problems continued with communications with the surface being virtually impossible.
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| 45. | He said electrical power was restored within four minutes, and emergency voice communications shortly thereafter.
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| 46. | Prasart said ISPs agree with time metering for voice communications but not for data transmission.
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| 47. | It's trying out the business plan using technology that allows voice communication via the Internet.
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| 48. | That could slow further as technological advances allow voice communication over the Net, analysts said.
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| 49. | On Thursday, FBI officials said that they had found a second tape of additional voice communications.
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| 50. | The company makes equipment to aid the speed and quality of voice communications over Internet networks.
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