HPE Survivable Branch Communication zl Voice ModuleThe HPE Survivable Branch Communication zl Voice Module (SBM) is a purpose built, edge ready expansion designed to keep your organization connected when the primary data center becomes inaccessible. Built to work in concert with HPs Survivable Branch Appliance ecosystem and powered by Microsoft Lync, this module delivers critical survivable branch services that ensure essential voice communication remains available at remote sites. In the event of WAN