VISN 12 has separate contracts for Stryker/Vocera clinical communications systems at each or some of its stations. In accordance with FAR 7.107-3, Veterans Affairs is making notification to the public... VISN 12 has separate contracts for Stryker/Vocera clinical communications systems at each or some of its stations. In accordance with FAR 7.107-3, Veterans Affairs is making notification to the public that the agency has determined consolidation of contract requirements is necessary and justified.