BSNL Cloud e-PABX / SMART vPBX BSNL Cloud e-PABX / Smart vPBX (Virtual Private Branch Exchange) is a PBX without a PBX box, but answers all calls and routes them to the right department or user extension. Most suitable for Enterprises with higher numbers of on-the-move workforce and work-from-home situation. Easy to install, Secure, Scalable & Affordable which makes it best suited for organization with staff on the move and MSME Business Enterprises, as there is no hardware requirement to be installed at customer premises. BSNL Smart vPBX service is available through Mobile App, PC App, and Web Browsers. Mobile APP is accessible by the customer through the Google play store or Apple app store. Through App, calls can be made to PSTN / Mobile and intra-PBX calls.