The atl ip250 is the latest fully featured cost effective voip phone to become a member of atlrsquos already distinguished range of ip phones the ip 250 is the perfect solution for small businesses and the hospitality market to implement voip the ip 250 supports both sip and h323 v4 along with auto provisioning which helps to ensure smooth integration with in voip environments cut costs and start saving with atlrsquos new ip250 free ip phone to ip phone calls bring immediate savings