Developer's DescriptionBy PortSIPEnjoy multimedia communications in a dynamic way.PortSIP Pangolin Softphone is a fully functioning softphone featuring many of the popular features. With your existing connection to a VOIP or broadband service (Vonage, BT, AT&T) or an IP-PBX connection (Asterisk, enterprise LAN), it allows you to make calls to any softphone, mobile or landline number.