OnSIP is a cloud phone system and unified communications platform for business. OnSIP has a BYOD (Bring Your Own Device) policy, so you can buy the OnSIP compatible VoIP phones that work best for your company from a third-party. IP Phone Warehouse offers the best pricing on supported OnSIP phones.
Note: These phones need to be provisioned for use with OnSIP. For more information on how to provision VoIP phones for use with OnSIP, see the following links: