Telecom service revenue in Ireland declined across the board in Q1, with mobile taking a larger hit than fixed-line services despite an increase in mobile traffic.
Irish telecom regulator ComReg said total market revenues fell 9.9% to €948.9 million.
Fixed-line revenues declined 7.6% to €489.2 million, while mobile income dropped 13.4% to €412.3 million.
Mobile's share of overall telecom market value meanwhile fell to 43.5% in Q1, from 45.2% a year ago and 44.6% in 4Q09.
Yet mobile subscriptions increased by 1.4% y-o-y to 5.3 million, leading to a total penetration rate of 119.9%.
Total mobile voice traffic grew 5% to 2.6 billion minutes. Mobile also contributed to the majority - 57% - of overall voice traffic.
And mobile broadband subscriptions grew by 9.7%, as against 2.2% growth in fixed broadband subscriptions. The fixed broadband penetration rate was just 22%.
Incumbent Eircom's share of the fixed-line market decreased to 49.7%, compared to 50.3% in Q409.
In the mobile sector, Vodafone held a 38.5% share of subscribers at the end of the quarter, O2 had 32.1%, and Meteor 20.1% and 3 had 9.2%