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Mobile

Lucent aiding Cingular's GSM switch

Lucent Technologies said Wednesday that Cingular Wireless will use its software to help ease the wireless carrier's transition from TDMA (time division multiple access) technology to a wireless network that runs on GSM (global system for mobile communication) standards. Lucent's interworking interoperability function software will let Cingular's customers use their phones on both GSM and TDMA networks, which are usually incompatible. Cingular is in the middle of a $3 billion network upgrade that will also move the carrier to the GSM standard, which enjoys worldwide dominance but has so far not made a significant dent in the United States. Recent estimates indicate that about 30 percent of Cingular's network uses GSM, with the balance using TDMA.

Lucent Technologies said Wednesday that Cingular Wireless will use its software to help ease the wireless carrier's transition from TDMA (time division multiple access) technology to a wireless network that runs on GSM (global system for mobile communication) standards. Lucent's interworking interoperability function software will let Cingular's customers use their phones on both GSM and TDMA networks, which are usually incompatible.

Cingular is in the middle of a $3 billion network upgrade that will also move the carrier to the GSM standard, which enjoys worldwide dominance but has so far not made a significant dent in the United States. Recent estimates indicate that about 30 percent of Cingular's network uses GSM, with the balance using TDMA.