Metaswitch Perimeta SBC Support
Whether you’re running Perimeta from its Microsoft era or through Alianza today, we provide the hands-on support your SBC needs.
Expert Support for Complex Perimeta Deployments
With ECG, you get direct access to Perimeta experts who solve problems quickly and design for long-term success.
Deployment That Matches Your Architecture
We support Perimeta in cloud, on-prem, and virtualized models to ensure it aligns with your SBC strategy, scaling with SIMPL deployments and SIMon.Advanced SIP & RTP Troubleshooting
From codec mismatches to one-way audio, we identify and resolve SIP and RTP issues fast and without the guesswork.
Custom Rules, Filters, & Behavior Scripts
Need advanced session behavior? We help you implement custom message rules and manipulate SIP headers to fit your environment.
Disaster Recovery & Business Continuity
We ensure your Perimeta SBCs are ready to reroute traffic and recover quickly in the event of outages or link failures.Integration with Other Metaswitch Components
We support the full stack – not just Perimeta – so your CFS, EAS, and SAS are aligned with SBC policies and operations.Hands-On Support From Real Experts
You won’t get canned responses. You’ll work with engineers who know Metaswitch inside and out and can act immediately.Eliminating the Roadblocks in Your Metaswitch Stack
You don’t need Tier 1 support; you need engineers who’ve solved Perimeta issues in production. That’s where we come in.
Unexpected Call Failures
Intermittent SIP errors, failed registrations, or dropped calls? We dig into SIP traces and message rules to find the root cause fast.Slow or Risky Upgrades
Perimeta version upgrades shouldn’t feel like a gamble. We help you plan, test, and execute with minimal disruption.Geo-Redundancy That Doesn’t Work
Having multiple SBC nodes doesn’t guarantee uptime. We troubleshoot HA failover and ensure traffic still routes correctly under failure.SBC Security Gaps
From weak TLS configurations to missing ACLs, we close the holes that put your network and your customers at risk.Limited Visibility Into SBC Behavior
Not sure how Perimeta is handling sessions? We help interpret logs, metrics, and trace data so you can see what’s really happening.Delayed Response From Vendors
When you need answers now, we act. No waiting for ticket escalations – we solve problems directly and immediately.
OUR CLIENTS
Trusted by Industry Leaders
Join other organizations that enjoy expert engineering support with ECG.

Your Metaswitch Perimeta Experts
We’ve supported Perimeta deployments at scale, in production, and under pressure.
ECG has spent years working with Metaswitch Perimeta in demanding, multi-site environments, from Tier 2 carriers to national voice providers. We understand the nuances of message manipulation, geo-redundancy, security hardening, and SIP interop because we’ve handled those issues directly. Whether you’re planning an upgrade, troubleshooting RTP loss, or optimizing SBC throughput, our team brings real Perimeta experience – not guesswork.
Success Stories From Our Clients
ECG's broad scope of clients means they know what's happening before we do. We stay competitive with ECG as our guide.
Mark Hayes
VP of Voice Engineering | Momentum Telecom
I'm happy to say I've partnered with ECG at a number of service providers. You guys have been an outstanding engineering and operations partner for my teams.
Tom Faherty
VP | Databank
ECG is definitely the right team for our network!
Nicole Rodriguez
AVP Switching and Wireless Data Engineering | Centennial of Puerto Rico
ECG delivers exceptional quality and service via their software products and consulting services. Speaking as someone with direct large scale enterprise delivery with their team, my personal experience has been universally positive.
Joe Pfiefer
Assistant Director | U.S. Department of Justice
Book Your 30-Minute Connect Call
Get in touch with ECG for products and services that support your crucial voice infrastructure needs.
Experience the ECG Advantage
Whether you’re a service provider, enterprise, or government agency, your voice infrastructure is in good hands with ECG.
Proven Expertise
Our team has decades of proven experience building and supporting voice networks.
Powerful Partnerships
Our strategic alliances are designed to help deliver customer-centric, total solutions to our clients.
Elevated Network Design
We draw from experience with dozens of service providers to create straightforward, manageable designs.
Comprehensive Support
Our team will assist in your technical projects, support your goals, automate processes, and train your team.
Solving Real Problems Inside Metaswitch Perimeta Systems
Whether you need integration, triage, or ongoing support, our team knows what works and what breaks.

Perimeta Configuration and Optimization
We help you configure, customize, and fine-tune your Perimeta SBC for peak performance and long-term stability.
- Build and validate security and routing policies to ensure your Perimeta SBC is configured for peak efficiency.
- Tune routing logic, NAT handling, and codec selection for optimal call flows.
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Align Perimeta configuration with SIP trunking, STIR/SHAKEN, and regulatory needs.

Interoperability and Integration
Getting Perimeta to play nicely with the rest of your network isn’t always straightforward. We make it work.
- Resolve interop issues with major vendors, like BroadWorks, Ribbon, Microsoft Teams, & more.
- Normalize SIP headers and SDP behavior across carriers and PBXs.
- Integrate Perimeta with analytics, policy servers, and cloud-based platforms.

Troubleshooting and High Availability
When things break – or need to scale – we bring deep knowledge of Perimeta’s architecture and real-time behavior.
- Trace SIP and RTP paths to identify media, registration, or routing issues.
- Support geo-redundant deployments and HA failover configurations.
- Perform emergency diagnostics and recovery in live production environments.
Common Metaswitch Perimeta Questions, Answered
Get answers to the most common Metaswitch and Perimeta SBC questions from engineering and operations teams.
Metaswitch Perimeta uses a session-based licensing model, meaning licenses are allocated based on concurrent SIP sessions – typically one license per active call leg. Licenses can be grouped across HA pairs or geo-redundant nodes, depending on your deployment. Licensing includes optional modules like SIP header manipulation or IPv6 support, which can be enabled as needed.
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, and the Policy Editor) are essential for identifying whether problems lie in the policy rules, licensing, DNS resolution, or media path handling. ECG frequently supports clients with troubleshooting call setup failures, one-way audio, and HA failover behavior.
Ready to Experience the ECG Difference?
Get in touch for products that support your crucial voice infrastructure needs.