Lumen Next-Gen Voice vs. OnSIP

CenturyLink SIP is an acceptable solution if you have an on-prem PBX (ShoreTel, Mitel, etc) that accepts SIP. I have found a better solution is to run two different carriers through SD-WAN (such as Bigleaf or Velocloud MSR) and use a provider like BCMOne (formerly NexVortex) to manage the SIP.

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I think OnSIP is well suited to be used in any organization that has a stable, reliable internet connection. The service is top notch and I haven't found a competitor that can beat the service. I've recommended the service to other manufacturing businesses and churches. The organizations that have switched have been extremely pleased with the service.

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• Reliable service
• Supports wide range of key features
• They do have high levels of support where you can receive real answers

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• Customer service
• Value pricing
• Ease of use

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• Lumen-Centurylink has suffered from many noticeable outages in the last few years - this is a blow to their reputation that they still have to recover from.
• Lumen-CenturyLink does not peer well enough with OTHER carriers - they depend on their own network to give you SIP, which means less true redundancy.
• Lumen-CenturyLink needs a better customer portal/interface to handle failover, see the real-time status, etc.

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• Accept more phone brands/models
• Make your website easier to use
• Make provisioning a new phone easier

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SIP service support is definitely improving. A few years ago I would have rated them a 2. Now a 7. But, Lumen still needs a better portal experience to report and see a real-time status. Also to manage SIP failover functions in a WYSIWIG/GUI interface. When Lumen's network breaks in a larger outage, there are long hold times and support is not good.

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CenturyLink [Enterprise Voice SIP] was the incumbent, so switching providers, particularly for our HQ was an overwhelming task for our small team. We did migrate from the legacy CenturyLink voice product EIPT to the new Voice Complete solution as well as upgrade our US and UK circuits along with a hardware upgrade of the managed PE routers in each location. We also decided to implement RingCentral in one of our very small international branches but the lack of features is problematic. We still have T1 service in our other international branches but are looking to go full cloud SaaS PBX there, likely through Microsoft Teams, which we already use for messaging. There are some complexities, as we can't port our numbers directly yet and need to set up an additional CUBE router for SIP. Eventually we hope to get to fully SaaS via Teams.

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We have found OnSIP to be just as good if not better than any of the other services we have researched or used. Once again, the value of OnSIP is unbelievable. Our rates at this organization are less than half of what the competitors were charging. I don't see us changing anytime soon.

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• Faster learning
• Increased numbers of calls
• Organization of calls

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• It has reduced our telecom expenses drastically.

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