People shouldn't have many issues with their internet or phone lines, as the lockdown period begins.

Telecommunications providers experienced call volumes beyond any level ever seen in New Zealand when the Prime Minister announced the country would move to Alert Level four.

Telecommunications Forum Chief Executive Geoff Thorn told Mike Hosking they can handle extra demand.

He says there was huge investment in the networks around the time of the Rugby World Cup and as a result, New Zealanders have access to world class networks with lots of capacity.

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