5000I ESA Switch
Transparent local proxy for SIP-based emergency stand alone.
Aztek Networks’ 5000I is a transparent local proxy that ensures uninterrupted local calling capability and access to 911 emergency services for all SIP-based user agents and access systems within a local serving area. Examples of SIP-based access systems include gigabit passive optical networking (GPON) and other fiber-to-the-home (FTTH) systems, line access gateway devices and multi-service access platforms (MSAPs).

- Local calling for VoIP access systems during line cut
- 911 calls locally
- ESA for FTTH, VoIP gateways and MSAPs
- Full redundancy
- Compact design
