Please answer the following question: Extract the answer to the question from the following context. Question: How many customers lost service? Context: China Mobile had more than 2,300 base stations suspended due to power disruption or severe telecommunication traffic congestion. Half of the wireless communications were lost in the Sichuan province. China Unicom's service in Wenchuan and four nearby counties was cut off, with more than 700 towers suspended.
A:
Half of the wireless communications