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Voice

The reputation that Calyx enjoys today has been earned by providing high quality voice services in partnership with some of the worlds leading telecommunications companies.

Our range of services includes:

• Carrier Pre-Selection (CPS)
• ECS
• ISDN30

Voice telephony will always be a critical component in the business communications mix, and Calyx will continue to strive to deliver high standards of technical excellence, quality and cost effectiveness to the market.