Please download the below file for the Installation & SIP Configuration process of Pangolin:
Software
VoIP is a technology that delivers voice over the Internet. It is
also called IP Telephony, Internet Telephony, and Internet
Calling.

Software
Related service
Online data backup & disaster recovery
Backup and disaster recovery (BDR) is a combination of data backup and disaster recovery solutions that work cohesively to ensure a company’s business continuity.
Data Center
Data center is a facility that centralizes an organization’s shared IT operations and equipment for the purposes of storing, processing, and disseminating data and applications.