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The Application Solution Module (ASM) module is a separate, fully-functional server installed inside the
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An operating ASM has two software partitions:
- The Live partition, from which the system actively runs. Unlike the Sonus SBC 1000/2000 application partitions, this partition is always active on a running ASM.
- The Recovery partition, which contains a spare software image. Users have the ability to re-initialize the ASM from this partition; an operation which replaces the live partition with the recovery image. This partition can also be updated directly as needed; refer to Updating the ASM Recovery Partition.
Software application support on the Application Solution Module (ASM) is limited as follows:
- Microsoft Lync Survivable Branch Appliance (SBA)
- Microsoft Lync Resilient Branch Appliance (RBA) communicating with the Lync Front End
- Quality of Experience (QoE) Agent Server Gateway
Software must be provided by Sonus and configured via the Sonus-provided provisioning and management interface.
ASM Modes and Sonus Support
The ASM operates in either of two modes, Appliance or Server.
- Appliance mode, in which the SBA utilizes Sonus' security solution and the SBA default offering.
- Server mode, in which the SBA relies on customer-installed software to provide alternative security/firewall protection or enhanced SBA operation. Operating in Server mode is valid.
By default, all ASMs are shipped in Appliance mode.
Server Mode
There are three actions that a customer can take to switch an ASM into Server mode:
- Installing third-party software that is not approved by Sonus.
- Changing the Windows Role and Feature installed on the ASM in order to support additional Windows functionality. Using Remote Desktop or any other source.
- Running Windows Update without using the Sonus UI or API (for example, using GPO or automatic Windows Update).
Customers can choose to operate in Server mode if:
- They want to follow their own internal security and update processes rather than the Sonus standard processes regarding the Windows Server OS and/or the SBA application, or
- They want to deploy a firewall or antivirus solution not supplied by Sonus, or
- They wish to use a third-party application (Call Recording, Auto Attendant, or IP PBX for example) that is not currently approved for use with the ASM. This includes common open-source IP PBX applications such as those offered by Asterisk.
Note on Server Mode and Sonus Support
If a customer deploys in Server mode, Sonus will continue hardware and software support to the base
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Third-Party Applications Supported in Appliance Mode
When the ASM is deployed in Appliance mode, Sonus will provide support for the selected ("approved") third-party applications. Sonus has approved select applications from the following vendors for use in Appliance mode
- Numonix: Recite
- Event Zero: Commander Connectors
- Microsoft: Skype for Business SDN (Software-Defined Networking) API
Installing Unsupported Third-Party Applications
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| Please contact your Sonus service representative before installing any unapproved third-party applications. |
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The only way to switch back to Appliance mode is to re-initialize the ASM. |
Support Mode Definitions
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Appliance Certified Mode: The ASM image contains v3.2 SbcComms or later and no third-party software has been installed. Appliance Controlled Mode: The original ASM image was a version previous to 3.2 and has been upgraded. Server: A third-party software installation has been detected by the ASM. Operating in Server mode is valid. |
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