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Avaya ACDS-3186 ✓ Updated May 2026

Avaya IX Calling Design

Exam Code: 31860X
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About the 31860X Exam

The Avaya IX Calling Design exam (31860X) is a specialized certification test for professionals aiming to validate their expertise in designing Avaya IX Calling solutions. This exam focuses on the architecture, deployment, and optimization of Avaya's unified communications platform, covering key areas such as network design, capacity planning, and system integration. Candidates who pass this exam earn the Avaya Certified Design Specialist (ACDS-3186) credential, demonstrating their ability to create robust, scalable voice communication systems for enterprise environments. The exam is part of Avaya's certification track for design professionals, ensuring they can meet the demands of modern business communications.

Targeted at network engineers and solution architects, the 31860X exam evaluates skills in designing Avaya IX Calling solutions that support voice, video, and collaboration features. It covers topics like SIP trunking, media server configuration, and quality of service (QoS) implementation, which are critical for delivering reliable communication services. Real-world use cases include designing systems for large enterprises that require high availability and integration with existing infrastructure, such as contact centers or remote work setups. By passing this exam, professionals prove they can create designs that reduce latency, ensure security, and optimize bandwidth usage.

The Avaya IX Calling Design exam is essential for staying competitive in the unified communications industry, as businesses increasingly rely on advanced voice solutions. With Avaya's IX platform being a leader in the market, certified designers are in high demand to manage complex deployments. This certification also prepares candidates for roles in digital transformation projects, where seamless communication is key to productivity. The exam's focus on practical design principles ensures that certified individuals can tackle challenges like multi-site connectivity or disaster recovery, making them valuable assets to any organization.

Who Should Take the 31860X Exam?

This exam is designed for network architects, solution designers, and senior engineers who have experience with Avaya communication systems and want to specialize in designing IX Calling solutions. Prerequisites include a strong understanding of VoIP, networking fundamentals, and familiarity with Avaya Aura or similar platforms. Typical job roles include Avaya design specialists, UC consultants, and IT managers responsible for voice infrastructure.

Topics Covered in 31860X

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Avaya IX Calling architecture and components
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Network design for voice and video traffic
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Capacity planning and sizing for IX solutions
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SIP trunking and session management
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Quality of Service (QoS) implementation
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Security considerations in IX design
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Integration with Avaya Aura and other systems
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High availability and redundancy strategies

Preparation Tips for 31860X

Review Avaya official documentation for IX Calling, focusing on design guides and best practices for network architecture.
Practice with hands-on labs or simulations to understand how to configure SIP trunks and manage media servers.
Study capacity planning formulas and use Avaya sizing tools to calculate requirements for different user loads.
Join Avaya community forums to discuss real-world design challenges and learn from experienced professionals.
Take practice exams to familiarize yourself with the question format and identify weak areas in topics like QoS or security.

Frequently Asked Questions — 31860X

What is the passing score for the 31860X exam?

The passing score for the Avaya IX Calling Design exam (31860X) is typically around 70%, but this can vary slightly based on the exam version. It is recommended to check the official Avaya certification portal for the most current passing threshold. The exam consists of multiple-choice questions, and you will receive your score immediately upon completion.

How long is the Avaya ACDS-3186 certification valid?

The Avaya Certified Design Specialist (ACDS-3186) certification is valid for three years from the date you pass the 31860X exam. To maintain your certification, you must either retake the current exam or earn a higher-level Avaya certification before the expiration date. Avaya may also offer renewal options through continuing education credits.

What are the prerequisites for the 31860X exam?

There are no formal prerequisites for the 31860X exam, but Avaya recommends that candidates have at least 2-3 years of experience with Avaya communication systems and a solid understanding of networking concepts like TCP/IP, VLANs, and QoS. Completion of Avaya's official IX Calling Design training course is also highly suggested to ensure you cover all exam objectives.

How many questions are in the ExamsTree 31860X study guide?
The ExamsTree 31860X PDF study guide contains 60+ practice questions with detailed answer explanations, all mapped to the official Avaya exam objectives.

Why Choose ExamsTree?

ExamsTree 31860X Study Guide is developed by experienced certification professionals with deep knowledge of Avaya technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Avaya
Questions 60+
Format PDF
Updated 5/24/2026
Cert ACDS-3186
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