IP Telephony | SITA



The air transport industry (ATI) is quickly replacing obsolete time-division multiplexing (TDM) telephony with IP technology to reduce maintenance costs and increase competitiveness. IP technology brings huge benefits but implementing and managing it poses real challenges.

SITA’s IP Telephony overcomes these challenges with a fully managed service, integrated with the world’s most extensive IP communications network. With a presence in over 200 countries, SITA offers a global reach. And by partnering with industry leaders such as Cisco, Avaya and Orange Business Services, we can provide customized solutions to meet your individual needs.

SITA provides flexible and seamless pricing that lets you take advantage of either capital (Capex) or operational (Opex) pricing models. We work with you to determine which structure is most convenient and cost-effective for your business to save you time and money.

Unified Communications Use cases
- 196 kb

46,000+ corporate telephony users are supported by SITA

How it works

SITA’s IP Telephony service offers flexible technology when it comes to additions, deletions and the relocation of your end-users and system communications structure. 

Professional services

SITA’s engineers and consultants assess your requirements and help you adopt an IP technology architecture that best suits you.

Integration services

SITA helps you buy, test, configure, ship, install, maintain and monitor your equipment globally. Our end-to-end management ensures a high quality service with a single, integrated solution that eliminates multiple-vendor complexities. SITA also ensures your IT systems have minimal downtime and remain fully updated.

Network services

IP Telephony provides carrier-grade connections over a virtual private network (VPN), offering real-time class of service, also known as Voice over IP VPN (VoIP VPN).


  • Consulting and technical expertise for migration to IP Telephony
  • Fully managed – from planning to implementation to management
  • Handles multiple locations as a single system
  • Scalable
  • Integrates with new IP-based applications

Your benefits

SITA’s IP Telephony helps you provide consistent and quality voice services to your sales team, front desk and call center agents, while controlling your telecommunications costs.

Other benefits

  • Increased employee productivity and/or mobility
  • Simplified operations
  • Lowered network costs
  • Reduced equipment costs


SITA Global Services

This product is supported by SITA Global Services (SGS) which provides global business continuity through a flexible service model. Our monitoring service ensures IT systems are reliable and available, around the clock and around the world.

Our experts proactively monitor infrastructure, identifying and resolving problems often before they impact services.

Unified Communications Use cases
- 196 kb

46,000+ corporate telephony users are supported by SITA

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This product is part of the following solutions:

Airline Infrastructure Management

Driving IT performance in a multi-supplier environment

Unified Communications

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