Sandra Busby from the Welsh Contact Centre Forum said that "even throughout the recession, this [call centre] industry has continued to grow."
She said that part of the reason for Welsh strength for call centres is communication issues experienced by customers calling overseas, and says that the new jobs are "absolutely vital" for Swansea and its economy.
More top news
Steeplechase and Olympic medallist John Disley, who was born in Gwynedd, dies at the age of 87.
Private Cheryl James, 18, was discovered with a fatal bullet wound. Lawyers suggest possible "third party involvement" in her death.
Winds of 83mph were clocked at Pembrey Sands earlier, and we have warnings for more wet and windy stuff to come!