ZCalls Voice & Wholesale Carrier!

Welcome to ZCalls Communications, your premium partner for global voice termination and wholesale communication services. Since 2007, we have provided Tier-1 connectivity for carriers, aggregators, and call centers worldwide. Our infrastructure is built for high-volume traffic, offering stable Premium CLI, Standard NCLI, and specialized CC Routes. Sign up today to access our worldwide footprint, manage your traffic through our real-time portal, and scale your business with our competitive wholesale rates and 24/7 technical support.

Core Service Features:

  Wholesale Voice: Premium A-Z termination with high ASR and ACD performance.
  CC Dialer Routes: Optimized for Vicidial/GoAutoDial with High CPS support.
  SMS Hubbing: Carrier-grade SMPP v3.4 for transactional and marketing SMS.
  Reseller System: Multi-level white-label platform for retail VoIP business.

How it works (Getting Started):

  Account Setup: Create a Wholesale Account to receive your SIP or SMPP credentials.

  Interconnect: Link your Softswitch, Dialer, or Gateway via SIP IP Authentication or Digest Auth.

  Testing: Request free test credits to verify our voice quality and CLI delivery to your top destinations.

  Scale: Download our latest Wholesale Rate List and benefit from tiered volume pricing.

Note: ZCalls supports all major codecs including G.729, G.711, and G.723, ensuring low-bandwidth efficiency and high-fidelity voice across 800+ mobile and fixed networks.