In light of the $13.5-billiion Alcatel-Lucent marriage, Prudential Securities analyst Inder Singh believes a combination between Nortel and Siemens' communications group makes sense. he analyst writes: "We believe a joint Siemens/NT would hold lead shares in several key markets, including enterprise telephony (28% worldwide market share), next-Gen switching (36%), wireless infrastructure (22%), and optical (19%)," he said. "Even with the presence of a combined Lucent/Alcatel, we believe the Siemens/Nortel combo would hold the #1 or #2 share in each of these markets." A German newspaper, Frankfurter Allgemeine Sonntagszeitung, reported Sunday that Siemens was in discussions to sell its communications group to Motorola Inc. For more details, check out Light Reading. Singh maintained his "over-weight" rating on Nortel with a target price of $4. For more, check out Om Malik's post.