Overview
ProductRatingMost Used ByProduct SummaryStarting Price
Layer7 API Security
Score 9.0 out of 10
N/A
Layer7 API Management enables enterprises to test and monitor real-time in both development and production environments. Now under the brand Layer7 API Security from Broadcom, the service includes Layer7 API Gateway, and the Layer7 API Developer Portal.N/A
Google Voice
Score 7.9 out of 10
N/A
Google Voice is a free IP telephony service that provides users with one phone number that can be forwarded to multiple phones or devices. It includes features such as call forwarding, voicemail translation, text messaging, and voice calls. Fees may apply for international calling.
$10
per month
Twilio
Score 7.7 out of 10
N/A
Twilio offers a CPaaS and CCaaS solution, with the combination of its programmable Voice, Video, and Messaging APIs, as well as the Twilio Flex cloud contact center. Additional capabilities include Twilio's Elastic SIP Trunking, as well as API for WhatsApp.
$0
per min per participant
Pricing
Layer7 API SecurityGoogle VoiceTwilio
Editions & Modules
No answers on this topic
Starter
$10
per user/per month
Standard
$20
per user/per month
Premier
$30
per user/per month
Programmable Video
$0.0015
per min per participant
WhatsApp Business API
$0.0042
Per WhatsApp Template message sent
WhatsApp Business API
$0.005
Per WhatsApp session message
Elastic SIP Trunking
$0.007
Per min for termination
Programmable Messaging
$0.0075
per message sent or received
Programmable Voice
$0.0085
per minute to receive a call
Programmable Voice
$0.013
per min to make a call
Elastic SIP Trunking
$0.045
Per min for origination
Twilio Conversations
$0.05
per active user per month
Twilio Authy
$0.09
per authentication
Programmable Wireless
$0.1
per MB
Twilio Flex (Contact Center)
$1
per active user hour (5000 hours free)
Programmable Wireless
$2.00
per SIM card
Twilio SendGrid Email API
$14.95
per month up to 100k emails. (Up to 40k emails free for 30 days)
Twilio SendGrid Marketing Campaigns
$15
per month for 5,000 contacts and 15,000 emails. Your first 2,000 contacts are free
Twilio Flex (Contact Center)
$150
per named user per month (5000 hours free)
Offerings
Pricing Offerings
Layer7 API SecurityGoogle VoiceTwilio
Free Trial
NoNoYes
Free/Freemium Version
NoNoYes
Premium Consulting/Integration Services
NoNoYes
Entry-level Setup FeeNo setup feeNo setup feeOptional
Additional Details1. Pay-as-you-go pricing: Simple usage-based pricing means you don’t get locked into big contracts. 2. Volume discounts: Discounts trigger as your usage grows, so you always get a fair price. 3. Start building today with free trial credit and full API access.
More Pricing Information
Community Pulse
Layer7 API SecurityGoogle VoiceTwilio
Considered Multiple Products
Layer7 API Security

No answer on this topic

Google Voice

No answer on this topic

Twilio
Chose Twilio
Google Voice and Twilio both provide phone numbers; however, Twilio allows you to program how to respond to voice calls. We have only used a small portion of what Twilio is capable of. I appreciate being able to get information about a phone number to see the provider and …
Features
Layer7 API SecurityGoogle VoiceTwilio
API Management
Comparison of API Management features of Product A and Product B
Layer7 API Security
8.6
1 Ratings
2% above category average
Google Voice
-
Ratings
Twilio
-
Ratings
API access control9.01 Ratings00 Ratings00 Ratings
Rate limits and usage policies10.01 Ratings00 Ratings00 Ratings
API usage data9.01 Ratings00 Ratings00 Ratings
API user onboarding7.01 Ratings00 Ratings00 Ratings
API versioning8.01 Ratings00 Ratings00 Ratings
Usage billing and payments7.01 Ratings00 Ratings00 Ratings
API monitoring and logging10.01 Ratings00 Ratings00 Ratings
Cloud PBX
Comparison of Cloud PBX features of Product A and Product B
Layer7 API Security
-
Ratings
Google Voice
5.2
53 Ratings
43% below category average
Twilio
-
Ratings
Hosted PBX00 Ratings6.025 Ratings00 Ratings
Multi-level Interactive Voice Response (IVR)00 Ratings3.027 Ratings00 Ratings
User templates00 Ratings1.419 Ratings00 Ratings
Call reports00 Ratings6.846 Ratings00 Ratings
Directory of employee names00 Ratings9.027 Ratings00 Ratings
Call Management
Comparison of Call Management features of Product A and Product B
Layer7 API Security
-
Ratings
Google Voice
8.4
67 Ratings
1% above category average
Twilio
-
Ratings
Answering rules00 Ratings8.546 Ratings00 Ratings
Call recording00 Ratings8.352 Ratings00 Ratings
Call park00 Ratings6.422 Ratings00 Ratings
Call screening00 Ratings10.060 Ratings00 Ratings
Message alerts00 Ratings9.065 Ratings00 Ratings
VoIP system collaboration
Comparison of VoIP system collaboration features of Product A and Product B
Layer7 API Security
-
Ratings
Google Voice
7.5
44 Ratings
7% below category average
Twilio
-
Ratings
Video conferencing00 Ratings6.222 Ratings00 Ratings
Audio conferencing00 Ratings7.839 Ratings00 Ratings
Video screen sharing00 Ratings8.014 Ratings00 Ratings
Instant messaging00 Ratings8.027 Ratings00 Ratings
Mobile apps
Comparison of Mobile apps features of Product A and Product B
Layer7 API Security
-
Ratings
Google Voice
7.0
63 Ratings
14% below category average
Twilio
-
Ratings
Mobile app for iOS00 Ratings6.745 Ratings00 Ratings
Mobile app for Android00 Ratings7.351 Ratings00 Ratings
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Layer7 API SecurityGoogle VoiceTwilio
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Score 7.5 out of 10
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Score 7.8 out of 10
Medium-sized Companies
NGINX
NGINX
Score 9.2 out of 10
CloudTalk
CloudTalk
Score 7.5 out of 10
Dialpad Support
Dialpad Support
Score 9.1 out of 10
Enterprises
NGINX
NGINX
Score 9.2 out of 10
Cisco Unified Communications Manager (Call Manager)
Cisco Unified Communications Manager (Call Manager)
Score 8.6 out of 10
Verint Community
Verint Community
Score 9.9 out of 10
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User Ratings
Layer7 API SecurityGoogle VoiceTwilio
Likelihood to Recommend
9.0
(1 ratings)
9.0
(71 ratings)
8.0
(90 ratings)
Likelihood to Renew
-
(0 ratings)
9.3
(7 ratings)
7.5
(5 ratings)
Usability
8.0
(1 ratings)
9.0
(9 ratings)
9.5
(10 ratings)
Performance
-
(0 ratings)
-
(0 ratings)
8.5
(34 ratings)
Support Rating
8.0
(1 ratings)
7.0
(35 ratings)
5.7
(16 ratings)
Implementation Rating
-
(0 ratings)
10.0
(2 ratings)
9.5
(2 ratings)
Contract Terms and Pricing Model
-
(0 ratings)
7.0
(1 ratings)
10.0
(1 ratings)
Professional Services
-
(0 ratings)
7.0
(1 ratings)
10.0
(1 ratings)
User Testimonials
Layer7 API SecurityGoogle VoiceTwilio
Likelihood to Recommend
Broadcom
Well suited for publishing internal services with very high security, protecting against attacks, and managing on-demand load. Also good for transform messages and SQL to Rest services. Not appropriate for business logic implementation.
Read full review
Google
I do think Google Voice works well for organizations that do not have a support team meant to provide regular telephone support, and instead do so on an ad hoc basis. I would not recommend it for high-volume call activities, such as SDR motions.
Read full review
Twilio
I found Twilio to be excellent and very easy to use for a programmer in all aspects related to voice, SMS, and other features utilizing their API. I found the node client to be excellent and helpful. We previously used the Apex client for Salesforce before it was discontinued. Although we try not to use Twilio from Apex anymore, using that client was easier than implementing our own.
Read full review
Pros
Broadcom
  • SOAP to Rest / Rest to SOAP web services transformation.
  • Secure authorization and authetication (JWT, OpenIP Connect, OAuth, SAML and more). WASP Features as injection protection.
  • Easy rule writing without coding.
Read full review
Google
  • Google Voice has been great for setting up additional phone lines and numbers.
  • The voicemail inbox is a great feature and you can see when messages come in online and listen to the messages from your computer.
  • Google Voice allows us to have multiple phone numbers and lines for specific business purposes.
Read full review
Twilio
  • 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.
Read full review
Cons
Broadcom
  • It would be nice to have an integration with services like Github for managing projects and versions.
Read full review
Google
  • There has not been much innovation since the initial release.
  • It doesn't handle SMS well.
  • It does not natively integrate with CRM without legacy complication
  • It is not supported by Google as it once was
  • Call Recording is non-existent
  • Call-Tree or Virtual Auto-Attendant needs are not available
Read full review
Twilio
  • Segment’s email identifier is case-sensitive, which is ridiculous because emails themselves are not case-sensitive. This means that if I send a capitalized email address in an identify call, it will create a duplicate user rather than matching it with the lowercase email. I think this is a technical oversight that should be corrected.
  • I’d like to see more information about the eventual transition of existing Frontline customers to Twilio Flex
  • I’d like to see some integrations between Twilio Studio and OpenAI or another open source LLM to provide automated responses, if this hasn’t been done already
  • I would like to be able to drag and move the actual lines connecting the steps in Twilio Studio, sometimes mine can get pretty messy
  • I think a Bug Report form would be beneficial for developers
Read full review
Likelihood to Renew
Broadcom
No answers on this topic
Google
Google Voice has been invaluable for us in our effort to provide exceptional customer service. With Google Voice, we have been able to increase our customer interactions while reducing the wait time to reach a live person on our team. We couldn't be more pleased with the way things have worked out since implementing Google Voice.
Read full review
Twilio
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.
Read full review
Usability
Broadcom
The Layer7 API Management is a great solution, but, sometimes the documentation is not clear or has lack of examples.
Read full review
Google
I think it works really well in the arena it operates in, but not so well in areas where an enterprise system would be more appropriate. It's great for quick solutions that just work, but not so much for more complex call management tasks.
Read full review
Twilio
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.
Read full review
Performance
Broadcom
No answers on this topic
Google
No answers on this topic
Twilio
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.
Read full review
Support Rating
Broadcom
The support team is good and the response time is reasonable, but (there is always a but), when support inquiries are made by someone experienced, and the question is not trivial, it is boring and takes a long time to get the case escalated to the next level of support.
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Google
They do not offer support unless you have the Business account for Google Voice under G Suite. This is tough, because Google doesn't really have a customer support team for this service, so when it gets shut down for a few hours, we have no choice but to wait it out. But this doesn't happen that often, which is great.
Read full review
Twilio
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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Implementation Rating
Broadcom
No answers on this topic
Google
It is a pretty seamless program to transfer to, even for people who either have little experience with these programs or people who were stuck on Skype
Read full review
Twilio
The developer APIs and SDKs are super easy to follow.
Read full review
Alternatives Considered
Broadcom
We evaluated 3 tools and decided on Layer7 API Management because it had the shortest implementation times and fastest learning curve, without losing power of customization and scalability.
Read full review
Google
The integrations of Google Voice with all our devices are flawless, Android, iOS, Windows, Linux and Mac. Also, the call performance is far superior on wifi as well as on mobile data. With Skype, we had several problems with personal accounts, performance issues, and in general, it felt awkward to use it.
Read full review
Twilio
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.
Read full review
Contract Terms and Pricing Model
Broadcom
No answers on this topic
Google
Google Voice should be also be use to those who have difficulty in speaking English. So the contract term will need to be a little strict as Google Voice is used in navigations as the part of GPRS navigation is personal. The private data need to be in control much more securely and safely.
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Twilio
Being in South Africa, direct local currency support would be nice
Read full review
Professional Services
Broadcom
No answers on this topic
Google
It help to connect with the products that we use as a part. We need to get in touch with our professional world. It is like a tool that helps us to get in touch with everything from A to Z in our professional careers. So we need to be in touch with everything as linearly as the jpb can be done.
Read full review
Twilio
No answers on this topic
Return on Investment
Broadcom
  • Very fast implementation and is easy to learn & use.
Read full review
Google
  • Cost for Google Voice is stellar, starting at $10/mo per user.
  • While it doesn't offer a new Audio/Video conferencing solution it does integrate with GSuite so it makes use of Google Calendar and Hangouts/ Google Meet.
  • Gets the employee's to use their company phone numbers more as texting is easy and deployment is simple.
  • The cell phone app is reliable and easy to deploy.
Read full review
Twilio
  • It helps drive the adoption of multi-factor authentication by making second-factor authentication quick and easy.
  • Decreases the number of times a user spends migrating to a new device from an old one.
  • Enables easy access to second-factors of authentication by offering multi-device support, making multi-factor authentication painless.
Read full review
ScreenShots

Twilio Screenshots

Screenshot of To access any of the products in Console, head over to the “Explore Products” section and start building.Screenshot of Whether you prefer to build with a drag-and-drop visual editor or with code, Twilio SendGrid Marketing Campaigns helps you engage your customers through email.Screenshot of Flex is a programmable Contact Center that puts you in control.