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Global SIP/VoIP Network

VoIP Service (Voice over Internet Protocol)

WCS VoIP data phone services are provisioned over the best network internet providers in the country including AT&T, Verizon/MCI, Qwest, and Sprint. All Internet access circuits are guaranteed to be dedicated full circuits that are never oversubscribed. We back up each circuit with the best SLA in the industry.

SIP Trunking

Integrate your local phone, long distance and data internet traffic onto a single circuit, while seamlessly leveraging your existing in-house IP-PBX or Key system to our SIP service. *   Free Local Phone and Inbound Calling

  • SIP Coverage In Contiguous US
  • Full 911 And e911 Compliance
  • Local Number Portability (LNP)
  • Internet Web-Based DID Management

DID Coverage

DID coverage is provided in United States, Canada, Mexico and 4,000 cities worldwide.

Hosted IP-PBX

Rid yourself of the frustration and cost of managing your own in-house phone system and equip your employees with powerful features.

  • Business Class Features
  • Risk free trial
  • Cost Saving benefits
  • Service Difference

To schedule interoperability, please contact your WCS sales rep.