ZTE to testify in U.S. telecom probe; Telekom Austria, KPN explore 'synergies'

Wireline news from across the web:

@FierceTelecom RT @Forrester: How too much of a good thing can spell disaster. Article | Follow @FierceTelecom

> Chinese telecom vendor ZTE will take part in a U.S. congressional hearing investigating espionage threats to U.S telecommunications infrastructure, the company said. Story

> Telekom Austria is exploring "possible synergies" with Dutch operator KPN, perhaps because both companies have a common shareholder: Mexico's Carlos Slim. Story

> Russian national operator Rostelecom has begun an upgrade of its fixed telephony network in Nizhniy-Novgorod. Story

> Swisscom and Geneva Industrial Services have renegotiated their agreement to extend a fiber optic network in Geneva. Story

> BT said it sold off 14.1 percent of its stake in Tech Mahindra, coming in at 17.9 million shares, and said it would consider further such sales in the future. Story

> China Telecom is setting up a new Hong Kong subsidiary, China Telecom Global, to boost its overseas business. Story

And finally … Verizon has restored high-speed Internet service to customers in Cairo, N.Y. that affected about 1,000 customers, none of whom had FiOS. Story