OnSIP Editorial Review
OnSIP is one of the customer favorites with a five star review across the board, and for good reason. Their services are encompassing and thoroughly integrated. OnSIP's two basic VoIP services are onsip Hosted PBX and PSTN gateway. PSTN gateway is OnSIP's SIP trunking solution. With affordable pay-as-you-go pricing and complete compatibility with all SIP and IAX-based platforms, as well as many major service and hardware providers, PSTN gateway is a perfect SIP trunking solution.
What OnSIP Does Best
OnSIP provides businesses with a Hosted PBX and variety of scalable models, specific to the type of business you run. Since there are no long-term contracts, you can easily change your service to accommodate changing business needs. The Small Office/Home Office Service (SOHO) allows for unlimited users, extensions, and on-network calling, with four distinct voicemail inboxes. Small Business and Medium Biz plans allow for 15 to 50 mailboxes, a variety of auto attendant menus, and various queuing and conference calling features. The number of users and extensions you use are up to you. Each service can be customized by a variety of pay-as-you-go calling features, like inbound phone numbers, and additional voicemail inboxes.