VIDEO: Why we still lose our phone connectionSmartphones may have revolutionised the humble mobile phone but voice quality has barely changed in the last 100 years.
Source: VIDEO: Why we still lose our phone connection (http://news.bbc.co.uk/1/hi/programmes/click_online/9712096.stm#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)