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We are a software development company specializing in VOIP digital telecommunication products. We design and develop our own software. The following is a list of our products and services.

Private Enterprise (PE) Distributor Program
IAX Softphone - Private label available.
Callback Service - Cheap calling from any phone, to anywhere in the world!
Prepaid Calling Card Platform - Earn money selling prepaid cards.
Enterprise Call Shop Platform - Operate a call shop anywhere in the world! No installaton!
Conference Calls - Its fast, easy and the price is right.
International Personal Phone Numbers - Local personal number, forwarded anywhere at cheap rates.
VOIP Billing Software - Developed from the ground up. More features, less cost.
Asterisk Custom Development - We are the experts.

Diamondcard.us Service Benefits
  • We develop our own software
  • Great pricing on communication services
  • Reliable customer service
  • World class international backbone network architecture
  • Simultaneous call capability through one account
  • Make calls using a digital, analog or softphone
  • Instant activation & account recharge
  • Pinless accounts for pre-paid cards or home/office service
  • Local access numbers in many countries
  • Real-time online billing/reporting
  • Automatic recharge option
  • NO connection fees
  • NO weekly management fees
  • NO hidden costs
  • NO cheating!
  • Refer a friend program: Refer friends and family and receive FREE calling minutes.
  • Distributor program: Signup as a distributor and earn easy cash reselling our services and hiring other distributors.
How to get started?
Click sign up now to to get started for as little as $10! You will be given all the information you need to start making calls immediately.