OnSIP Hosted VoIP Software


OnSIP Hosted PBX by Junction Networks is a cloud-based phone system that includes standard PBX features, such as auto attendants and voicemail-to-email.

Unified communications (UC) applications are also available, such as a browser-based UC client (My.OnSIP) that allows employees to make and receive calls, instant message coworkers, update presence information and manage voicemail. Third-party softphones on mobile devices can also be used as PBX extensions.

OnSIP Hosted PBX offers pre-built integrations with Zendesk, Salesforce.com, Microsoft Outlook and Highrise, as well as application programming interfaces (APIs) for custom integrations.

OnSIP SIP Trunking is pay-as-you-go; businesses pay a monthly fee for the service and other charges are usage-based. Businesses have two monthly payment options for cloud-based PBX applications: a pay-as-you-go plan or a per seat plan.

With the pay-as-you-go plan, businesses only pay for the applications that they request. With the per seat plan, businesses pay a flat fee for bundled PBX applications for each of their employees.


OnSIP Hosted VoIP - Admin portal
  • OnSIP Hosted VoIP - Admin portal
    Admin portal
  • OnSIP Hosted VoIP - Instant messaging
    Instant messaging
  • OnSIP Hosted VoIP - Missed calls
    Missed calls
  • OnSIP Hosted VoIP - Music on hold
    Music on hold
  • OnSIP Hosted VoIP - Salesforce integration
    Salesforce integration
  • OnSIP Hosted VoIP - Voicemail settings
    Voicemail settings
Supported Operating System(s):
Mac OS, Web browser (OS agnostic)

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Bryan from Sonoma Wine Shop & La Bodega
Specialty: Retail

May 2015

May 2015

OnSip for small biz



Product Quality

Customer Support

Likes Best

We have been very happy with Onsip as a VOIP vendor. Their service works well for our 2 store business with 2 commercial kitchen. As a wine club, we have thousands of members and Onsip works very well for inbound and outbound over the past 3 years. We have a home office, and with Onsip, we can easily be at home, answer store phones when they are closed, transfer calls between locations, call any part of our business for free. Onsip became essential part of our small biz on day one. On our plan, adding extensions is super easy and free - our 2 retail spaces has general purpose shared phones. We still intend to add several more extensions at basically, no cost. Our monthly cost is equal to what we paid Attempting to Telephone (AT&T) for just one location. So our savings are at least 30% and the functionality is much better.

Likes Least

There are a few features that we need - telemarketing blocking or global blocking; international calling allowed but to only specific countries. Some requested new features cost a bit more than we want to pay - busy light indicator shouldn't be as expensive. Or new features could be bundled with things like telemarketing block and then totally worth it.


For small business, look hard at things like adding extra extensions. For our configuration, on the plan we use, Onsip allows unlimited extensions for free - we love that to put phones in different parts of our 2 locations and also at our home office, our 2 commercial kitchens, our customer service desk. We pay for minutes, not phones, and obviously inside calling is free. Onsip has other plans for a more traditional business like say, dedicated office workers, that are also very nice but we don't need their features as a retail shop. I personally have 30+ years in IT and chose Onsip as their own business model resonated with my small business.