VoIP Solution to ISDN Switch Off

Assist businesses seamlessly migrate from ISDN to VoIP

Complete Product Portfolio

From VoIP Gateways to the on-premises S-Series and P-Series PBX system, to Cloud PBX system, Alto enables businesses to make an easy switch to VoIP no matter the legacy system is to be retained or not.

Reduced Telco Costs

Alto PBX system greatly reduces communication fees by guaranteeing free internal calls and low-cost external calls through SIP trunk, making moving to VoIP a cost-effective choice for your organization.

Easy Unified Communications

With Office UC Client, supported by Alto, and Cloud PBX, employees can make and receive calls anywhere, anytime, with their mobile phones or desktops.

High Flexibility

Featuring a unique modular design, Alto can be customized with various telephony interfaces, giving you the flexibility to meet the ever-expanding communications needs.

Simple & Easy Management

Within a single PBX system, IT admin can perform management from an intuitive Web interface, saving time and money on the complicated installation process that a traditional ISDN system requires.

Robust Communications Features

With Alto Cloud, you can enjoy basic calling features such as call recording, IVR, and so on and other advanced features like CRM integration to boost the working efficiency of your staff.

Customers Potential

  • Stop Using legacy PBX Systems
  • Wishing to get rid of the complicated landline services
  • In demand for future-proof VoIP communications solutions
  • Requires to make business phone calls anywhere at anytime
  • Wants a flexible system to add users and concurrent calls readily

Customers Benefits

  • Still could keep the legacy devices in use
  • Office UC Client for mobile phones and desktops
  • No upfront costs and relatively low calling fees
  • Access to rich phone system features to drive business efficiency
  • Compatibility with mainstream IP phones and worldwide SIP providers
  • Ability to unite dispersed locations and teleworkers