Sonus (SONS) rose 6% late Wednesday after posting solid third-quarter numbers.

For its quarter ended Sept. 30, the Chelmsford, Mass., advanced phone switch maker earned $10.3 million, or 4 cents a share. That reverses the year-ago loss of $5 million, or 2 cents a share. Sales rose to $46.8 million from $22 million a year earlier.

Analysts were looking for a 2-cent profit on $45 million in sales. In the second quarter, Sonus made 2 cents a share on sales of $42.4 million.

"Revenue and earnings grew sequentially, and we continued to build our technology and market momentum," CEO Hassan Ahmed said in an earnings release.

Sonus shares dropped 2% during regular trading Wednesday but more than reversed that drop in the early after-hours session, rising to $6.

The company has had a rough 2004. Earlier this year, Sonus tumbled into an accounting scandal, missed financial reporting deadlines and was briefly delisted from the

Nasdaq

.