Telecom New Zealand Migrates International Voice to AAL2 ATM

Telecom New Zealand has completed the second stage of a migration from a circuit switched to a packet voice network. Telecom New Zealand is now carrying live international voice traffic using Alcatel's A2G (AAL2 Gateway) Card in conjunction with the Alcatel 7670 RSP. The new AAL2 ATM voice card provides advanced voice processing capabilities, enabling Telecom New Zealand to optimize its bandwidth use of the Southern Cross undersea cable to the US mainland. The Alcatel A2G card offers an STM1/OC3 optical interface and supports 2,000 calls with voice compression, silence suppression and echo cancellation.
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