- Telcom & Data is a online full service provider of state of the art telecommunications solutions for business. Specializing in 20%-60% off on telephones and telephone system products from Avaya/Lucent including Definity, Merlin Legend, Magix , Partner, 3COM, Tapit Call Accounting, Engenius Phones and Voicemail systems from KeyVoice and Duvoice Corporation and conferencing systems from ...www.telcom-data.com