Cisco Duo vs. Grasshopper vs. Twilio

For secure access to apps and business data, I recommend Cisco Duo. It offers SSO, MFA, and Passwordless access, ensuring teams can securely access business data. It is easy to customize and comes with top-tier security features. It protects business data, apps, and users.

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Grasshopper is well suited for basic needs of texting in and out as well as calling out if you would like to avoid using your personal line. It also eliminates the need to have a dedicated land land in your office or business. You can obtain a vanity number and forward calls through grasshopper.

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I have tried other competitors. But I always end up going back to Twilio because I feel like it is dependable, easy to use, and, has competitive pricing. The only time I wouldn't recommend Twilio to someone as if they are completely inexperienced about using webhooks or APIs. Because you can't really just sign up and start using Twilio without connecting it to another platform first.

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• We use Cisco Duo with different type of device and application, but we never face any difficulties to integrate Cisco Duo with any of them.
• We integrated Cisco Duo with some of our active directory and some of the OS are quite old but Cisco Duo works totally fine with them.
• The end user application is very easy to use. We never had any complain from non tech team members of having trouble of using Cisco Duo.
• There are several authentication methods available rather than passcode. I personally like the push notification which is always on time and quite fast.

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• I like that there are differing voicemails for each extension, to keep up with the image of calling a separate line.
• I love the voicemail text emails. I believe we pay a little extra, but worth every penny for those urgent calls while I am in a meeting.
• The cost is very reasonable for the value added to our company.

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• Easy to see my team in one place, when they log in and out and what call status they are in.
• Twilio is a simple, user friendly way to log in and out of work activities.
• Excellent services and support.
• The omnichannel feature which allows agents to get request from all channels.

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• Should have device to device connection ability whereas internet is not met.
• Changes of device can be sorted and easily made using a second email address or any other identification method.
• Troubleshooting should be easy to sort out. One time, a Duo admin deleted the authentication group, and some employees were not getting push notifications. It was very hard to find out the cause. Duo should have some troubleshooting finder.
• Sometimes push notifications are delayed, and the code does not work. At that time, we need to enroll the device again. Not sure why it happens. Duo should give reasons for the error.

• It would be nice to have the ability to transfer some calls to another Grasshopper IVR, for those customers who mistakenly dial the wrong number (we have two incoming numbers, one for corporate and one for sales).
• Likewise, it would be nice to have the ability to forward to a toll-free number, which would have allowed us to work around the inability to transfer between IVRs (see above).
• Lastly, it would be great to have an 'emergency' switch setting (default off but could be toggled on) that would let us override all IVR settings and transfer all incoming calls elsewhere (either to a direct dial or toll free number) for those rare times when we cannot take any calls (such as a weather emergency OR the one time each year we take all of our staff on a retreat) - that would allow us to send all calls to a backup answering service rather than just voicemail.

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• Control panel. Often, navigating through lists is challenging. I want endless scrolling, not pagination.
• Conversational intelligence service require a Language. I would like it to detect it.
• We would like to have some credit on clients that chose to use their own Twilio account.

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There are a lot of competing solutions on the market; however, Duo "just works", and there is little to no learning curve for the new members to be acclimated to it. As long as that continues I see it as the preferred option moving forward

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Unless we can get this handled quickly -- less than 1 week -- we will likely switch to another provider who, in my opinion, we'll have to spend close to $3,000 in development time to build a new integration for texting. Our clients need texting and I feel Twilio has failed us miserably.

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La interfaz es intuitiva y fácil de navegar, lo que permite a los usuarios administrar sus dispositivos y acceder a las políticas sin problemas. La integración con las aplicaciones SSO y SaaS facilita aún más el proceso de acceso, mejorando la experiencia del usuario.

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The admin functions are kind of confusing in the old interface which was my most recent experience on the admin side.

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Twilio has well documented APIs and examples. There are several tutorials, videos and Q&As regarding their services. So, usability is very good. I must say that advanced knowledge of telephony, API/Programming and error-handling is essential to make good use of Twilio. It's not just plug-and-play unless you are integrated with a system that has all of the programming built for it.

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In the last 5+ years we've been using Duo, there may have been 1 outage that impacted us. We do receive periodic notifications of issues but, for the most part, they impact carriers or functionality that we either don't use, or do not care about.

We do not see any degradation of performance of the protected applications. There are occasional lags in receiving the push but no show stooppers.

Twilio executes what it is designed to do: send SMS messages at scale while providing very good deliverability. I believe that Twilio is very good at what we use for adding SMS messages to our comms strategy. We can see those messages get opened and replied to, which is exactly what we are looking to achieve.

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I have not needed direct support for Cisco Secure Access by Duo as I have not had a problem with it, but I have full confidence that the support is outstanding. It is now a core component of the corporate technology stack - a problem would mean a serious degradation in the ability of the company to function.

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When I was setting up my account I contacted support a couple of times. They were also very professional, personable, and helpful. Their response is prompt and thorough. I'm confident I can get any question answered as well as help with any issue I might have. That's pretty important to me.

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I have not had to communicate with Twilio support in the last 3 years but my past experience with them has been very positive. They replied to my previous requests promptly and kept me well informed to resolve my inquiries. With their documentation that's available, I hardly imagine why anyone would need to contact support since it's all there in a concise and easy to understand format. It would probably take you longer to type out a support ticket than to just open their doc websites.

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There was no in person training but checking the box was the only way I could complete all of the questions.

This was not organized training but the videos that Duo provides to teach you how to install a particular integration are top notch.

Documentation could have been better. I had to piece together different KB/admin guides to make certain things work and I also had to use third-party guides to get bits of information that were missing from Cisco Duo documentation. Support was also engaged multiple times to figure out an issue and after some back and forth it was usually determined that the information I needed was hidden somewhere else and had no direct correlation with the document that was linked from the platform.

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The developer APIs and SDKs are super easy to follow.

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Ultimately we ended up going with Cisco Duo because we are a Cisco shop. All of our networking infrastructure, our phones, our wireless environment is Cisco based. It made logical sense to stay with a product that we already have a line of support with. With a smaller support / tech group we depend on outside Cisco support. That support is already here for us, so we stayed with a Cisco product.

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I have not used any other phone services like Grasshopper. I know that there is another option out there called Ruby, which is more like a virtual receptionist but since I did not try it out I cannot compare the two. When I started my company I found the services that Grasshopper offers to be perfect. It still works for us and we have no need to change to anything else right now.

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We evaluated many fundraising-based text-to-give programs and found the subscriptions prohibitively expensive for our small scale and uncertain first few years of development. While we may be willing to invest that kind of money after discovering how things work, we're happy with Twilio now and have no desire to start over.

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Being in South Africa, direct local currency support would be nice

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So far, the only limits we've encountered were tied to our imagination. Duo's strong list of supported integrations is amazing.

• Cisco Duo has saved us from automated attacks on VPN. We had an instance is 2024 where our VPN was being brute force attacked, and we had several users' weak passwords compromised; however the VPN security groups, and the MFA kept the attacks from gaining access. We've since replaced our firewall with capabilities for limitations on country access for VPN, and beefed up our password complexity settings,

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• It's allowed us to keep cost down. Other phone systems can seriously get outrageous in implementation and monthly fees!
• It's allowed our team the confidence to work in locations outside of the office and still be seen as professionals.
• It's decreased the amount of time spent on unwanted sales calls via the call screening application.

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• We found that associates who had the opportunity to respond to a survey about their assigned job were 37% more likely to return to a job site
• We were able to reduce the number of resources required to manually respond to associates using Twilio Studio, so those resources could have more time to complete other tasks
• We were able to scale the number of associates who received survey messages at least by a factor of 8 without increasing our resource demand

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