Vodafone plans to refund any Telecom customers penalised for switching mobile phone providers.

Up to $50m of yearly government subsidies to Telecom could be up for review if this morning's 111 outage is found to amount to a substandard service.

The cause of four outages to Telecom's XT mobile network since Christmas remain unknown, the head of Alcatel-Lucent says.

Richard Hammond has spoken out about the XT shambles, saying the launch was "good fun" but he hadn't personally tested the service.

Customers wanting to get out of Telecom XT contracts may have grounds to do so - but only if they have been the victim of repeated faults in the network.

Telecom admits it has still not determined the exact cause of its crippling XT network outages.

More bad press over Telecom's calamity-prone XT network saw the telco giant's stocks take a hit yesterday, with its share price dropping 6c after the resignation of its chief technical officer.

Paul Reynolds says as CEO, he is there to lead Telecom through the "tough times" - something he could not achieve if he were to resign.

Telecom CEO Paul Reynolds says XT technology partner Alcatel is on notice over the network's constant failures, while announcing the company's plan to compensate affected XT customers.

Vodafone and Two Degrees are launching offers specifically for disgruntled Telecom users in light of recurring disruptions to the XT network.

Telecom under further pressure despite the resignation today of one of its top executives.

One of Telecom's top executives, chief transformation officer Frank Mount, has resigned as the XT mobile network fiasco claims another scalp.

The Government says there is little it can do to help customers frustrated with Telecom's XT network failures.

Telecom's CEO will today speak about yesterday's XT network outage, which came as the NZ head of the company that built the network announced his resignation.

The head of the company that built Telecom's XT network has announced he is leaving the company - as the system collapsed again last night.

Telecom's troubled XT network has suffered another outage this afternoon with customers south of Taupo experiencing major disruption.

The Commerce Commission, in a split decision, has rejected regulation as a means to reduce the costs of mobile phone calls.