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How to write an RFP for VoIP and network with security

Requirements, questions, and evaluation criteria specific to VoIP and network with security procurement

8 min read

Procuring VoIP and Network with Security solutions requires a strategic approach, as these systems underpin essential communication and data security. An RFP is critical for evaluating vendors on their ability to deliver reliable, secure, and scalable solutions that meet your organization's specific needs and compliance requirements.

What makes VoIP and network with security RFPs different

RFPs for VoIP and Network with Security are unique due to the convergence of communication, networking, and security domains. Unlike standard software purchases, these projects involve complex technical integrations, stringent uptime requirements, and evolving cybersecurity threats. Organizations must consider factors like network topology, bandwidth capacity, encryption protocols, and compliance mandates to ensure a successful deployment.

The shift from traditional on-premises systems to cloud-native SASE architectures further complicates the evaluation process, necessitating a thorough assessment of vendor capabilities in these areas.nnFurthermore, the real-time nature of voice communication demands careful consideration of network performance metrics like latency, jitter, and packet loss.

Security considerations must also extend beyond basic firewalls to encompass zero-trust network access (ZTNA), behavioral anomaly detection, and proactive threat mitigation. Finally, compliance with industry-specific regulations such as HIPAA, PCI DSS, and GDPR adds another layer of complexity to the RFP process.nn Agentic AI is also reshaping the landscape.

This requires autonomous systems that can independently handle complex tasks such as detecting call drivers, summarizing sentiment across thousands of hours of audio, and proactively rerouting network traffic before a failure occurs.

  • Security: How does the vendor integrate security into every aspect of their solution, from network access to data encryption?
  • Reliability: What Service Level Agreements (SLAs) do they offer for uptime and performance, and what are the financial penalties for non-compliance?
  • Integration: How well does the solution integrate with existing CRM, productivity, and analytics platforms?
  • Scalability: Can the solution scale to accommodate future growth and changing business needs?

RFP vs RFI vs RFQ

Here's when to use each document type when procuring VoIP and network with security software.

RFI

Request for Information

Use early in your search to understand what vendors offer and narrow your list. Gather general capabilities, company background, and high-level pricing ranges.

RFP

Request for Proposal

Use when you know your requirements and want detailed vendor solutions and pricing. This is your main evaluation document for shortlisted vendors.

RFQ

Request for Quote

Use when requirements are fixed and you just need final pricing. Often used after RFP when you're ready to negotiate with finalists.

For VoIP and Network with Security, an RFI is useful for initial market research and understanding available technologies. An RFP is essential for detailed vendor evaluation based on specific requirements, while an RFQ is less suitable due to the complexity and customization involved.

Technical requirements checklist

Use this checklist when defining your RFP scope.

Network Infrastructure

  • SD-WAN capabilities for optimized routing
  • Quality of Service (QoS) prioritization for voice traffic
  • Support for Power over Ethernet (PoE) switches
  • Global Points of Presence (PoPs) for low latency
  • Bandwidth requirements and scalability

Security Features

  • Zero Trust Network Access (ZTNA) integration
  • End-to-end encryption (SRTP and TLS)
  • Behavioral anomaly detection for toll fraud prevention
  • Secure Web Gateway (SWG) and Cloud Access Security Broker (CASB) integration
  • DDoS protection and intrusion detection/prevention systems

VoIP Functionality

  • Call routing and management features
  • Unified Communications as a Service (UCaaS) capabilities
  • Contact Center as a Service (CCaaS) integration
  • Support for multiple devices (desk phones, softphones, mobile apps)
  • E911 compliance and dynamic location reporting

Integration and Compatibility

  • CRM integration (Salesforce, HubSpot, Dynamics 365)
  • Productivity suite integration (Microsoft Teams, Slack)
  • AI and analytics platform integration
  • API availability for custom integrations
  • Compatibility with existing network hardware

Management and Monitoring

  • Unified management dashboard for voice and security
  • Real-time monitoring and alerting capabilities
  • Reporting and analytics on call quality and security events
  • Role-based access control (RBAC)
  • Centralized policy management

Questions to include in your RFP

Architecture & Deployment

  • Describe your cloud-native architecture and how it ensures scalability and resilience.
    Understanding the architecture is crucial for long-term scalability and reliability.
  • What deployment models are supported (cloud, on-premises, hybrid)?
    Different deployment models offer varying levels of control and flexibility.
  • Describe your disaster recovery and business continuity plan.
    Ensures minimal downtime in case of unforeseen events.
  • Detail your global Points of Presence (PoPs) and how they minimize latency for remote users.
    Proximity to PoPs impacts call quality and user experience.

Security

  • Explain your approach to Zero Trust Network Access (ZTNA) and how it secures remote access to the voice network.
    ZTNA is a modern security model that verifies every user and device.
  • Describe your end-to-end encryption capabilities (SRTP and TLS) and how they protect voice data.
    Encryption prevents eavesdropping and data breaches.
  • How does your system detect and prevent toll fraud in real-time?
    Toll fraud can result in significant financial losses.
  • Detail your Secure Web Gateway (SWG) and Cloud Access Security Broker (CASB) integration for web and cloud application security.
    Secures web and cloud traffic generated by the VoIP system.
  • What is your vulnerability management and patching process?
    Ensures that security vulnerabilities are promptly addressed.

Network Performance

  • How does your SD-WAN solution optimize voice traffic routing and ensure Quality of Service (QoS)?
    SD-WAN improves network performance and call quality.
  • What Service Level Agreements (SLAs) do you offer for uptime, latency, jitter, and packet loss?
    SLAs guarantee a certain level of performance.
  • Describe your network monitoring and troubleshooting capabilities.
    Proactive monitoring helps identify and resolve network issues.
  • How do you handle "bufferbloat" events when the router is fully saturated with non-voice data?
    Tests enterprise-grade QoS management.

Integration

  • Describe your native CRM integrations (Salesforce, HubSpot, Dynamics 365) and their capabilities.
    CRM integration enables click-to-dial and automatic activity logging.
  • How does your solution integrate with productivity suites like Microsoft Teams and Slack?
    Facilitates seamless communication and collaboration.
  • Does your platform support integration with AI and analytics platforms for real-time call telemetry?
    Enables advanced business intelligence and performance monitoring.
  • What APIs are available for custom integrations with legacy systems?
    APIs allow for flexibility and customization.

Compliance

  • Does your platform meet HIPAA compliance requirements for healthcare data?
    Ensures secure handling of sensitive healthcare information.
  • Is your solution PCI DSS compliant for secure payment processing over the phone?
    Protects payment card data during transactions.
  • How does your platform adhere to GDPR regulations for data privacy?
    Ensures compliance with European data protection laws.
  • Provide your SOC 2 Type II report and describe your overall security posture.
    Validates the vendor's security controls and processes.

Pricing & Licensing

  • Provide a detailed breakdown of your pricing model, including licensing fees, usage charges, and professional services costs.
    Transparency in pricing is essential for accurate budgeting.
  • Are there any hidden costs or additional fees not included in the initial quote?
    Avoids unexpected expenses and budget overruns.
  • What are your number porting fees and processes?
    Number porting is a critical aspect of migration.
  • Describe your payment terms and cancellation policy.
    Understanding payment terms is crucial for financial planning.

Agentic AI and Automation

  • Does your system provide AI-driven proactive troubleshooting?
    AI can predict a network failure and reroute traffic before the user experiences a call drop.
  • Describe your platform's capability to detect call drivers and summarize sentiment across thousands of hours of audio.
    Agentic AI can independently handle complex tasks.
  • How does your AI summarize calls into CRM fields or detect a caller's emotional state to route them to a specific agent?
    AI can improve the agent and customer experience.
  • Explain the extent to which your network is self-healing.
    AI that can predict a network failure and reroute traffic before the user experiences a call drop.

Compliance and security requirements

Depending on your industry, you may need to require proof of these certifications and standards.

PCI-DSS

Required if handling payment card data. If applicable, request current PCI-DSS compliance certificate and Attestation of Compliance (AOC).

HIPAA

Required for healthcare data. If applicable, request Business Associate Agreement (BAA) template and HIPAA compliance documentation.

GDPR

Required if processing data of eu citizens. If applicable, request documentation on GDPR compliance measures, including data residency and data processing agreements.

SOC 2 Type II

Required for demonstrating overall security posture. If applicable, request a copy of their latest SOC 2 Type II report.

E911

Required in all locations with voice services. If applicable, describe support for dynamic location reporting and compliance with E911 regulations.

Evaluation criteria

Here is the suggested weighting for VoIP and network with security RFPs.

Functionality Fit How well the solution meets stated requirements.
25%
Security Robustness of security features and compliance with relevant standards.
20%
Network Performance Uptime, latency, jitter, and packet loss performance.
15%
Integration Capabilities
15%
Total Cost of Ownership Implementation, licensing, and ongoing costs.
15%
Vendor Reputation and Support Customer references, industry recognition, and support services.
10%

Some weights were adjusted based on your priorities.

  • Increase if replacing a highly customized legacy system.
  • Increase for organizations in highly regulated industries.
  • Increase if real-time communication is critical.
  • Increase if complex integration landscape exists.

Red flags to watch

  • Vague pricing responses

    Vendors who can't provide clear pricing often have hidden costs or complex fee structures that inflate TCO.

  • No customer references in your industry

    Lack of relevant references suggests limited experience with your specific requirements and use cases.

  • "Best-effort" voice support

    If a vendor cannot provide a specific SLA for voice traffic, call quality will suffer during peak hours.

  • Fragmented security

    If security features (Firewall, ZTNA) are provided by a third-party partner, management becomes complex and latency increases.

  • Lack of real-time telemetry

    If you can only see why a call failed 24 hours later via a report, you cannot proactively manage your network.

Key metrics to request

Ask vendors to provide benchmarks from similar customers.

Implementation timeline for similar customers

Helps set realistic expectations and identify potential delays.

Average time to first value

Indicates how quickly you'll see ROI from the investment.

Uptime percentage over the past year

Provides insight into the vendor's reliability track record.

Mean Opinion Score (MOS) for call quality

A key indicator of voice communication quality.

Number of security incidents reported in the past year

Reflects the vendor's security effectiveness.