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Secure VoIP
for SLED Organizations

Protect Communications with Secure VoIP Solutions

Voice over Internet Protocol (VoIP) is transforming communication for State, Local, and Education (SLED) organizations by delivering flexibility, cost savings, and modern functionality. But without the right security controls, VoIP systems can become vulnerable to eavesdropping, spoofing, and denial-of-service attacks.

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RD Data Products helps schools and government agencies across New Jersey implement secure VoIP solutions designed to protect sensitive communications and meet compliance requirements.

VoIP Security Risks to Be Aware Of

Understand Where VoIP
Can Be Vulnerable

VoIP systems rely on internet connectivity

and therefore face similar risks as other

digital services.

Common threats include: 

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  • Call Interception (Eavesdropping)
     

  • Caller ID Spoofing & Fraud
     

  • Toll Fraud & Unauthorized Access
     

  • DDoS Attacks on VoIP Infrastructure

    Without strong security, attackers can compromise confidential conversations and disrupt mission-critical communications.



    Explore VoIP Security Risks

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VoIP Security Best Practices for SLED

Implement Key Defenses to Protect Your Network

Consider a layered approach when setting up your VoIP securities and defenses.

Top security practices:

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  • Encrypt VoIP Traffic – Protect calls with end-to-end encryption (e.g., SRTP/TLS).
     

  • Secure SIP Gateways & Session Border Controllers – Prevent unauthorized access and mitigate DDoS attacks.
     

  • Implement Network Segmentation – Isolate VoIP traffic from general internet traffic.
     

  • Strong Authentication & Access Controls – Require strong passwords and restrict access to VoIP systems.
     

  • Monitor & Audit Call Logs – Detect suspicious usage or fraud.



    Learn More About VoIP Security Strategies

Compliance Considerations for Secure VoIP

Meet Data Protection Standards in Education & Government

Protect against liability by ensuring your VoIP solutions align with industry regulations.

Applicable compliance standards:
 

  • FERPA – Protect student communication and educational data.
     

  • CJIS – Secure law enforcement-related calls and records.
     

  • HIPAA – Safeguard healthcare-related communication (for school nurses or gov clinics).
     

  • NIST Cybersecurity Framework – Implement standardized controls.



    Explore Compliance for VoIP

VoIP Security Features Built
for SLED Organizations

Stay Secure Without
Sacrificing Functionality

Secure your organization with built-in security features designed specifically for public sector.

Security-centric features:

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  • End-to-End Encryption for All Calls
     

  • Real-Time Intrusion Detection & Alerts
     

  • User Access Control with Role-Based Permissions
     

  • Geofencing & Device-Based Restrictions
     

  • Secure Voicemail Storage & Access Logs

Benefits for SLED:​​

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  • Lower risk of data breaches and unauthorized access.
     

  • Easy-to-manage solutions for IT teams with limited time.
     

  • Peace of mind knowing conversations are secure.



    Learn About Secure VoIP Features

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Why Choose
RD Data Products
for Secure VoIP?

Decade of Experience in SLED Markets
Partners who understand the threats public organizations face.

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Cybersecurity-first VoIP Deployment
Security designed into every stage of your solution.


Local NJ-based Support

Fast, reliable service tailored to your needs.

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Keep your communication secure, compliant, and reliable.
Contact us below:

  • How can you protect your data in the cloud?
    There are many ways to ensure your data is safe and protected in the cloud. Here are five ways to protect your data: Always implement strong access controls Encrypt data at both rest and in transit Leverage a big-name cloud security platform (we suggest Palo Alto) to monitor for suspicious activity Classify your data based on sensitivity and priority Keep security configurations up-to-date and regularly review activity
  • VoIP refers to ... ?
    VoIP refers to Voice over Internet Protocol. Through VoIP technology a municipality or campus can empower users to make and receive phone calls over the internet instead of traditional phone line. VoIP can help cut costs and improve productivity via unified communications.
  • What is a benefit of using cloud computing in networking?
    Cloud computing in networking offers more than one benefit. Benefits of cloud computing in networking include scalability, flexibility, cost-efficiency, speed, and autonomy.
  • How to design an enterprise network
    To design an enterprise network, an enterprise network solutions company like R&D Data Products will: Take time to identify the campus or company's requirements Analyze and assess an organization's current network infrastructure Determine the network topology, or the physical and logical way in which enterprise network nodes connect and data flows choose Plan IP addressing Decide on the most appropriate hardware and software for a campus or organization's needs Implement robust security measures to prevent hacks Ensure network scalability and data redundancy for future growth
  • What is an enterprise network?
    An enterprise network is an organization's IT network infrastructure. An enterprise network connects users, devices, and applications, enabling communication across both cloud and physical, local data center systems. Unlike the internet, with an enterprise network an IT team, Network Operator, or equivalent can ensure security and network reliability by controlling which users and devices have network authorization. Enterprise networks can include both physical and virtual components: LANs: Connect local devices WANs: Link LANs to the cloud Routers, switches, and servers: Facilitate data transfers Firewalls: Monitor and control traffic VPNs: Encrypt network data TLS encryption: Secures data in transit
  • What is the difference between routers and switches?
    The difference between routers and switches is that routers connect networks together, while switches are needed to connect the devices within a network.
  • What Is Zero Trust (ZTN) Cybersecurity?
    Unlike traditional security models that assume trust within a network, Zero Trust operates on the principle of “Never Trust, Always Verify.” Every access request is authenticated, authorized, and continuously monitored. Key Principles of Zero Trust are: Identity & Access Management (IAM) – Verify users before granting access. Least Privilege Access – Minimize user permissions to reduce risks. Micro-Segmentation – Isolate network segments to limit lateral movement. Continuous Monitoring & Threat Detection – Ensure real-time security enforcement.
  • How Ransomware Works
    Ransomware is malware that encrypts critical files and demands payment for decryption. Attacks often originate from: Phishing emails and malicious links Compromised user credentials Unpatched software vulnerabilities Once a system is infected, attackers demand payment, threatening to delete or leak sensitive data if the ransom isn’t paid.
  • How VoIP Reduces Communication Costs
    Switching to VoIP eliminates long-distance charges, costly hardware, and excessive maintenance fees associated with traditional phone systems. Key Cost Benefits: Lower Monthly Service Fees – Reduce telephony costs by up to 50% compared to traditional landlines. No Costly Hardware Upgrades – Use existing internet connections instead of investing in expensive PBX systems. Free Internal Calls – Staff can communicate between locations without incurring extra charges. Flexible Subscription Plans – Pay only for the features and users you need.
  • What are VoIP security best practices?
    Securing your VoIP system is more than setting up firewalls. SLED organizations should consider a layered approach: Top Security Practices: Encrypt VoIP Traffic – Protect calls with end-to-end encryption (e.g., SRTP/TLS). Secure SIP Gateways & Session Border Controllers – Prevent unauthorized access and mitigate DDoS attacks. Implement Network Segmentation – Isolate VoIP traffic from general internet traffic. Strong Authentication & Access Controls – Require strong passwords and restrict access to VoIP systems. Monitor & Audit Call Logs – Detect suspicious usage or fraud.
  • Does VoIP help with school safety and government safety?
    In critical situations like active threats, natural disasters, or medical emergencies, VoIP systems can play a key role in keeping people connected, informed, and safe. VoIP Emergency Features for SLED: E911 Location Services – Accurately transmit caller location to emergency services. Intercom & Paging Integration – Make site-wide or zone-specific announcements. Lockdown Alerts – Send automated messages through multiple channels. Voicemail-to-Email – Capture critical information even when lines are busy.

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