TC1 is primarily used to support voice services, specifically Voice over IP (VoIP), and is designed to provide access to the following features:

• A Committed Information Rate (CIR) at the wholesale level – designed to support voice communication quality.

• Symmetrical wholesale download and upload speeds – designed to help make voice communication seamless.*

• Appropriate wholesale bandwidth allocation – designed to make voice communication cost-effective.

TC2 is designed to provide access to high performance data for applications and services that require consistent, predictable download and upload speed requirements – including video conferencing, network traffic over virtual private network (VPN), e-commerce and business-critical cloud services. TC2 has been designed to provide access to the following features:

• A Committed Information Rate (CIR) at a wholesale level – designed to help make performance for your data services consistent.

• Symmetrical wholesale download and upload speeds – designed to help make interactive applications like video conferencing seamless.*

• Defined latency, jitter and loss characteristics – as listed in the Wholesale Broadband Agreement (WBA) helping enable a better business grade service.

TC4 is designed primarily for general internet and standard data services and has the following features:

• Available across all access technologies.

• Asymmetrical wholesale download and upload speeds*

• A ‘best effort’ service suitable for non-critical business data applications