1. A method, comprising: obtaining a call request on behalf of a mobile computing device, the call request including an identifier of a network page; identifying a user associated with the mobile computing device; identifying a plurality of candidate topics for the network page based at least in part on content of the network page and a browse history of the user associated with the mobile computing device; selecting at least one of the plurality of candidate topics; identifying a topic specialist based at least in part on the at least one of the plurality of candidate topics; and connecting a call between the mobile computing device and another computing device associated with the topic specialist.