
SRE in voice environments is no longer a trend — it’s a real need for mission-critical operations. Voice communication systems are naturally sensitive. Even small instabilities directly affect customer service, sales operations, and business credibility. For companies that rely on continuous calls, infrastructure resilience is a technical requirement, not just a competitive edge.
In this scenario, practices such as SRE (Site Reliability Engineering), High Availability (HA), and Disaster Recovery (DR) become essential. Although these approaches originated in web and cloud environments, technical teams have been successfully applying them to voice systems as well. After all, these operations demand the same level of continuity and fault tolerance.
What is SRE and why apply it to voice environments
SRE is a set of practices created to improve the reliability of production systems. Developed at Google, this concept applies software engineering principles to ensure stable, predictable, and secure operations.
Although traditionally linked to development teams, SRE brings great value to voice infrastructure. Companies with high call volumes rely on communication availability to sustain KPIs such as NPS, conversion rates, and SLA compliance.
By adopting SRE in voice environments, your team can define Service Level Indicators (SLIs) and Service Level Objectives (SLOs) for metrics like channel availability, Mean Opinion Score (MOS), latency, and call success rates. In addition, you can automate failure detection and remediation processes, run regular resilience tests, and enable full observability through logs, metrics, and integrated analytics.
As a result, your operations team transitions from reactive to proactive, anticipating failures before they impact users.
High Availability and DR in SRE for voice environments
SRE relies on two complementary strategies: High Availability (HA) and Disaster Recovery (DR). While they address different types of incidents, both are essential for infrastructure reliability.
High Availability (HA)
High Availability ensures systems remain operational even during isolated failures. Teams implement this through strategies such as automatic failover between gateways, active-active clusters, and dynamic routing between carriers. This way, the system stays functional even if part of the infrastructure is compromised.
HA architectures also reduce the time required to respond to failures, allowing near-instantaneous reactions — a must-have in mission-critical voice environments.
Disaster Recovery (DR)
Disaster Recovery, on the other hand, focuses on restoring operations after major incidents. Technical teams maintain updated backups, replicate environments across multiple geographic zones, and run regular recovery drills to ensure readiness.
This planning minimizes the impact of power outages, physical disasters, or cybersecurity incidents, ensuring that communication services can be quickly and safely restored.
Khomp solutions to implement SRE in voice environments
Khomp provides a complete ecosystem designed for mission-critical voice environments, with robust, scalable, and intelligent tools to support availability and performance.
The vSBC One solution operates as a Session Border Controller with advanced interoperability, SIP session control, smart routing, and automatic failover — all deployable in redundant clusters to guarantee continuity.
Manager One delivers real-time dashboards and technical KPIs that give visibility into link quality, route behavior, session success, and infrastructure health. This allows your team to define SLIs/SLOs with real-world metrics and gain visibility to proactively resolve issues.
Insight transforms operational data into strategic intelligence. It highlights failure patterns, performance trends, and operational risks — enabling managers to prioritize improvements with clarity.
Finally, the Cloud Recorder is a cloud-native platform with resilient design, horizontal scalability, and automatic transcription of calls. It ensures recording continuity even under adverse conditions, supporting compliance and distributed auditing.
By applying SRE in voice environments through these integrated solutions, your company reaches the reliability level expected of any mission-critical system — with control, scalability, and foresight.
Throughout this article, you’ll find links to complementary solutions and resources that deepen the topic and show how Khomp supports companies in achieving more efficiency and control. Explore these references and move forward toward a more strategic and reliable operation.