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Customer Support · head to head

RingCentral Contact Center vs Tenable Nessus

RingCentral Contact Center logo

RingCentral Contact Center

Customer Support

Intelligent, connected, omnichannel contact center

From
On request
Rated
-
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Tenable Nessus has a free tier, so it costs nothing to try first.
  • Each has a real cost: RingCentral Contact Center no pricing details published on contact center product pages; Tenable Nessus nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • They diverge on capability: RingCentral Contact Center covers Omnichannel routing, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which RingCentral Contact Center and Tenable Nessus actually diverge.

Attributes where RingCentral Contact Center and Tenable Nessus differ
AttributeRingCentral Contact CenterTenable Nessus
Starting priceOn requestFree
Free tierNoYes
PlatformsWeb, Desktop, Ios, AndroidWindows, Linux, Macos, Cloud
CategoryCustomer SupportCybersecurity
Founded19992002

Identical on both: pricing model (subscription), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in RingCentral Contact Center

  • Omnichannel routing
  • IVR
  • WFM
  • Quality management
  • Speech analytics
  • AI capabilities
  • Salesforce
  • Microsoft Teams

Only in Tenable Nessus

  • Network scanning
  • Vulnerability detection
  • Configuration assessment
  • Malware detection
  • Compliance checking
  • Cloud security assessment
  • Mobile scanning
  • API access

Both cover

  • ServiceNow
  • GDPR

What people use each for

The jobs each tool is most often brought in to do.

RingCentral Contact Center

  • Unified communicationsnot Tenable Nessus
  • Contact centernot Tenable Nessus
  • Customer experiencenot Tenable Nessus

Tenable Nessus

  • Vulnerability scanning of servers, network devices and web applicationsnot RingCentral Contact Center
  • Configuration and compliance auditing against hardening benchmarksnot RingCentral Contact Center
  • Point in time assessments by consultants and penetration testersnot RingCentral Contact Center

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

RingCentral Contact Center

  • No pricing details published on contact center product pages
  • Enterprise customers must contact sales for pricing
  • Feature comparison guide does not include cost information

Tenable Nessus

  • Nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • Support beyond the base entitlement costs an extra $400 per year for Advanced Support with 24x365 phone and chat access
  • The on demand training course is a separate $275 purchase for a single person for one year
  • Multi year discounts require paying for two or three years up front

Pricing, plan by plan

RingCentral Contact Center

On request
  • Essentials$undefined/month
    • Voice
    • Digital
    • IVR
  • Standard$undefined/month
    • Essentials + WFM
    • Quality management
  • Premium$undefined/month
    • Standard + AI
    • Speech analytics

Tenable Nessus

Free
  • Nessus EssentialsFree
    • Up to 16 ips
    • Network scanning
    • Vulnerability assessment
  • Nessus Professional$2600/year
    • Unlimited targets
    • Enterprise features
    • Advanced analytics
  • Nessus Expert$5200/year
    • All Professional features
    • Cloud integration
    • Advanced reporting

Which should you pick?

Choose RingCentral Contact Center if

  • You need omnichannel routing.
  • You work on Web, Desktop, Ios, Android.
  • You also want ivr.
RingCentral Contact Center review

Choose Tenable Nessus if

  • You need network scanning.
  • You want to start without paying.
  • You work on Windows, Linux, Macos, Cloud.
  • You also want vulnerability detection.
Tenable Nessus review

Questions people ask

Is RingCentral Contact Center or Tenable Nessus better?
Neither clearly leads. RingCentral Contact Center starts at On request and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RingCentral Contact Center or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at On request for RingCentral Contact Center and Free for Tenable Nessus.
Does RingCentral Contact Center or Tenable Nessus run on more platforms?
RingCentral Contact Center runs on Web, Desktop, Ios, Android. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Tenable Nessus for free?
Yes. Tenable Nessus has a free tier, so you can try it without paying. RingCentral Contact Center starts at On request.
What is RingCentral Contact Center best used for?
RingCentral Contact Center is most often used for unified communications, contact center, customer experience. Of those, unified communications and contact center are not what Tenable Nessus is typically brought in for.
What can RingCentral Contact Center do that Tenable Nessus cannot?
RingCentral Contact Center covers Omnichannel routing, IVR, WFM, Quality management. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection. Both handle ServiceNow, GDPR.

Answered from the vendors’ own pages

RingCentral Contact Center: How much does RingCentral Contact Center cost?

Specific pricing is not published. RingCentral Contact Center is a custom-quote enterprise product where costs depend on deployment, features, and usage.

Source
Tenable Nessus: What are the three Nessus offerings?

Nessus Essentials is a free introductory offering for educators, students, and career starters, limited to 16 IPs for scanning. Nessus Professional is designed for consultants and SMBs, providing unlimited IT scans across any location. Nessus Expert is the premium offering extending Professional with web application scanning, infrastructure-as-code scanning, and external attack surface assessment up to 5 domains.

Source
RingCentral Contact Center: What is the pricing model for RingCentral Contact Center?

RingCentral Contact Center operates on a quote-based model. Customers must contact sales to receive pricing based on their specific requirements and scale.

Source
Tenable Nessus: What OS platforms does Nessus support?

Nessus runs on Debian/Kali Linux, Fedora, FreeBSD, Mac OS X, Red Hat/CentOS, SUSE Linux, Ubuntu, and various Windows versions including Server 2008, 2012, and Windows 7-10.

Source
Tenable Nessus: Can I use Nessus to scan third-party networks as a consultant?

Yes, Tenable permits you to use Nessus to scan third-party networks. Nessus Professional is ideal for consultants.

Source
Tenable Nessus: Can Nessus perform PCI external scanning?

Yes, you can use Nessus Professional to perform external network scans as required by the PCI DSS 11.2.2 requirement.

Source
Tenable Nessus: What additional features does Nessus Expert provide?

Web application scanning, which is dynamic application security testing (DAST) providing comprehensive visibility and insight into web application security issues; scanning code repositories for vulnerabilities; and assessing external attack surface with subdomain discovery.

Source
Tenable Nessus: What support options exist for Nessus Professional?

Standard Support includes software upgrades, patches, plugin access, and 24x7 support via chat and community portal. Advanced Support adds 24x7 phone access and committed SLAs: P1 less than 2 hours, P2 less than 4 hours, P3 less than 12 hours, P4 less than 24 hours.

Source
Tenable Nessus: How frequently are Nessus plugins updated?

Nessus plugins are updated daily, based on when vendors and security research sites publish new vulnerabilities.

Source
Tenable Nessus: How does licensing work in virtual machine environments?

Whether you are using Nessus in a physical or a virtual environment, the IP addresses or hosts that you are scanning from must be licensed.

Source
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