Description
The AudioCodes M1KB-SBA-TMS-EO-KIT is the official OSN4B hardware upgrade kit designed for converting supported Mediant 1000B Survivable Branch Appliance (SBA) platforms into Microsoft Teams Direct Routing Survivable Branch Appliances.
This kit enables organizations to modernize existing Mediant 1000B SBA deployments used for legacy Skype for Business environments and upgrade them to a fully Teams-compatible, high-resiliency voice infrastructure.
Leveraging Microsoft-certified Direct Routing capabilities, this upgrade kit ensures that your Mediant 1000B continues to provide local telephony survivability, allowing branch users to place and receive PSTN/mobile calls even during WAN or cloud outages. It also supports local routing, emergency calling standards (E911/ELIN), analog line resiliency, and interoperability with AudioCodes SBCs—ensuring reliable operation across distributed enterprise networks.
Ideal for Microsoft Teams migrations, large enterprise voice modernization, and branch-site resiliency optimization.
| Category | Details |
|---|---|
| Product Type | OSN4B Upgrade Kit for Mediant 1000B SBA |
| SKU | M1KB-SBA-TMS-EO-KIT |
| Compatibility | Mediant 1000B SBA platforms requiring OSN4B hardware upgrade |
| Intended Use | Upgrade legacy Skype for Business SBA to Microsoft Teams Direct Routing SBA |
| Core Purpose | Enables Survivable Branch Appliance functionality for Microsoft Teams |
| Key Features | - Microsoft Teams Direct Routing survivability- Supports PSTN/Mobile calling during WAN/Office 365 outage- Local user-to-user calling- PSTN breakout and IP-PBX connectivity- Supports emergency calling standards (E911/ELIN)- Integrates with AudioCodes SBC environments |
| Supported Environments | Microsoft Teams |
| Upgrade Requirement | Required for Mediant 1000B OSN4B SBA migration to Teams SBA |
| Certification | Microsoft Teams Direct Routing certified |
| Included Components | OSN4B hardware kit for SBA upgrade |
| Additional Notes | Compatible with DR SBA deployment guidelines and migration paths listed in AudioCodes upgrade documentation |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
Building a Complete AV System?
This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
- System Design & Engineering
- Installation & Integration
- Programming & Ongoing Support
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