Manitoba Telecom Services Inc.’s Allstream division announced Wednesday it is making SIP trunking, technology that provides signaling and call handling capacity to make VoIP calls over a carrier’s Internet protocol (IP) backbone network, available to its businesses customers. It said in the release that the new service, which is installed within a company's telecom infrastructure, is best suitable for businesses with 100 to over 400 employees and will help businesses run data and voice traffic over a single IP service from the Allstream network. It noted in the release that...