ISD Call is one of the leading VoIP (Voice over Internet Protocol) Service Provider specialising in Internet Telephony Solutions for various businesses, Our vision is to emerge as a major VoIP Service Provider by integrating telephony system with the cont
Now you can purchase High speed calling card from ISDCALL. You can talk enough at very less expense. We promise you extra talk-time. You can purchase ISDCALL calling cards from our company website. We offer voice clarity and more talktime than any other companies. We are ready to competitively price our products. Easy facilities are available for ISDCALL Dealers and Distributors.
Kortel has a physical presence in Los Angeles, CA USA and prefers connectivity via VoIP packet interfaces with either H.323 or SIP. This reach minimises, or can even eliminate, the local access circuit cost which all too often becomes the highest cost ite
Read more