XO announced the launch of several new IP powered services. The new services include XO SIP, XO One iPBX and XOptions Flex with XO MPLS IP-VPN. These new services target both small and medium business and enterprise sectors with a variety of IP networking products. The XO SIP service targets customers using IP PBX’s and offers a SIP networking connection allowing a single connection into XO’s IP network for voice and data.