Mitel Systems

Mitel systems offer wide-band audio and a host of features such as programmable keys, IP connections and a clear and consistent sound quality. IP phones offer a cost reduction in routing calls over a broadband connection and unlike PSTN, allow further enhancements to data sharing and unified communications.

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Crystal can maintain your existing solution or, upgrade you to the latest Mitel systems. Our expertise extends to managing applications such as teleworker, voicemail and Lync. 

Unify/Siemens

Unify/Siemens offer a wide variety of stylish desktop phones which are ergonomic and easy to use. They range from basic to executive models, but all come with a full suite of functions.  All have high definition voice quality and users can enjoy touch sensitive controls, innovative user interfaces, and simple navigation and colour, high-resolution screens.

The Unify Siemens Openstage range is available for TDM environments, as well as IP environments. We also manage applications like Procenter and Voicemail.

Avaya Systems

Avaya IP Telephones are versatile IP/ VoIP phones for business use. These system telephones and handsets allow your office to take advantage of a host of productivity features from Avaya's IP Office systems. These are scalable solutions which can deliver optimal communications in your business environment. Features for the Avaya IP Series include data networking tools, recording, video and mobile and the desktop handsets allow access to all these whilst also providing integration with mobiles, tablets and home phones.