* Net income up 51.9 pct at C$69.4 mln, or C$1.08/shr

* Revenue 1 pct higher at C$918.4 mln

* Stock rises 6 percent (Adds details on wireless plans, stock price)

TORONTO, Nov 5 (Reuters) - Media and communications company Quebecor Inc (QBRa.TO: Quote, Profile, Research) (QBRb.TO: Quote, Profile, Research) posted a higher quarterly profit on Thursday due to growth at its cable business and cost-cutting in its news media unit, sending its shares 6 percent higher.

The Montreal-based company also said that its plans to roll out a mobile phone service are on track.

Quebecor, which controls the Videotron cable company and the Sun Media chain of newspapers, earned C$69.4 million ($65.5 million), or C$1.08 a share, in the third quarter, up from C$45.7 million, or 71 Canadian cents a share, a year earlier.

Revenue rose to C$918.4 million from C$908.1 million.

Analysts on average had expected earnings of 76 Canadian cents a share on revenue of C$910.4 million, according to Thomson Reuters I/B/E/S.

Quebecor's class B stock rose C$1.41 to C$24.91 on the Toronto Stock Exchange.