If you haven't done so yet, defining a global strategy for sourcing unified communications (UC) services should top your H1 2012 to-do list. UC will hit mainstream adoption by large multinational firms within 18 months, and most will complete their worldwide deployment by 2015. Sourcing and vendor management (SVM) professionals can play a pivotal role in taking your firm where it needs to go with UC. To do this, you need first to understand the current capabilities of providers offering UC services to distributed firms. You also need to track the quickly evolving communications services landscape in order to benefit from new pricing and service delivery options.