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SBC SWe Lite Overview

The SBC SWe Lite is an expansion of the SBC Edge product line. The SBC SWe Lite is distributed as a “software-only” Virtual Appliance executable on customer-supplied, Commercial Off-the-Shelf (COTS) Intel® x86 hardware running KVM Hypervisor, VMware® ESXi, or Microsoft Hyper-V hypervisors.  Distributed purely as software, the SBC SWe Lite is a virtual machine that delivers cost savings, reduced management complexity, and increased reliability for branch office networking and communication needs. The core features include:

  • Layer 2 and Layer 3 based routing protocols
  • Gigabit Ethernet switching
  • Firewall with traffic inspection
  • Session Border Controller
  • Voice Media Processing through advanced Digital Signal Processing algorithms.

The SBC SWe Lite can be deployed for a variety of applications including next-generation VoIP, unified communications, SIP trunking, wideband (HD Voice) transcoding, and multi-service business gateway.

Functional Differences Between SBC Edge and SBC SWe Lite

Throughout this document set, features and processes in the SBC Edge that are not applicable to SBC SWe Lite are identified with this note:

Not supported by SBC SWe Lite in this release.

When you see this note, be aware that it applies to all content on the page (unless noted otherwise), and all child pages for that page.

Functional Differences

Feature/ProcessSBC EdgeSWe Lite
Licensing Manager(tick)


All references to TDM/FXx have been removed.



Elements in the User Interface that are used solely in conjunction with hardware configuration and processes that are not included in SBC SWe Lite – such as TDM, ASM modules and so on – may not be present in the SBC SWe Lite user interface. When prominently featured in a section, these elements have been identified by Notes throughout this documentation set.

System - DNS Local Hosts Table




The functionality from the SBC Edge DNS Local Hosts table carries forward to SBC SWe Lite and provides an alternative to DNS server resolution.

DNS Forwarding(tick)(error)
IP Routing(tick)(error)

Feature Differences Between SBC Edge and SBC SWe Lite

Feature Differences

Feature/ProcessSBC EdgeSWe Lite

Application Solution Module (ASM) and supported applications including:

HQ SBC for RBA Feature(tick)(error)
PRI/BRI/CAS/FXS/FXO interface features (configuration, call termination/origination, etc)(tick)(error)
One Number Fax (ONF)(tick)(error)

Features Available in Roadmapped Releases of SWe Lite

Selected features may be available in future releases, including:

  • IPsec/Linkmon
  • T.38 Fax
  • Native VLAN/MSTP support
  • Nectar UCD Support
  • Silence suppression for G.723
  • Microsoft Lync® 2013 Quality of Experience (QoE)

For details, contact a Sonus representative.