External and Internal Environment of at&T

Topics: Mobile phone, Wireless / Pages: 18 (4271 words) / Published: May 12th, 2012
External Environment

Driving Forces
Technology
There is currently a variety of wireless networking capabilities that are emerging, developing, and integrating. The future of these technologies within the telecommunication industry will create better, higher-speed, and longer-distance capabilities.
There are currently three providers for the digital wireless mobile phones service that create the networks via satellite. Global Service for Mobile Communications (GSM) has internationally appeal but is the network that Cingular and T-Mobile use for their service. Code Division Multiple Access (CDMA), have better coverage in the United States and are mainly utilized by Sprint and Verizon Wireless.
The newest trends plan to integrate their technologies in the cell phone industry. Voice over Internet Protocol (VoIP) allows you to make telephone calls using a computer network, or a data network like the Internet. VoIP converts the voice signal from your telephone into a digital signal that travels over the internet then converts it back at the other end so you can speak to anyone with a regular phone number
With all these emerging and current wireless systems in place, the wireless phone companies are panicking in preparation for a major shift in the cell phone industry. They are worried their customers may start using VoIP services like Skype, as Wi-Fi-enabled phones become more common and are lining up behind Unlicensed Mobile Access (UMA). UMA would allow calls to move seamlessly from the GSM cellular network to Wi-Fi networks. Most important thing is, it would let the operators retain control over the call and charge the customer for the minutes used (About us. AT&T Inc., 2012). But, with Skype and some other VoIP services, customers would be able to call for free once their phone is connected to a Wi-Fi network. Some U.S. cities have already proposed the idea that there should be free citywide Wi-Fi services, which could mean billions in lost



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