San Mateo-based RingCentral>, a provider of a hosted, business phone service, announced this morning that it is expanding its services into Canada. The firm currently provides services in both the US and the UK. RingCentral offers hosted business phone services used by small businesses to outsource their PBX phone functions, voicemail, FAX, and other related services. The new service will be available from CAD$9.99/month, the firm said. RingCentral is venture backed by Sequoia Capital, Khosla Ventures and DAG Ventures.