IP5280 Communications, a provider of voice-over-Internet services, reported Monday that it has appointed two executives to its sales staff. The company said it promoted Brian Belanger to regional sales manager for its Northern Colorado division. Additionally, IP5280 said it hired Kimberley O'Hare as regional sales manager for its Southern Colorado division, which is based in Colorado Springs. In addition to its VoIP business, IP5280 provides converged IP voice and data services. The company is headquartered in Denver.