Telephone Systems - Sales, Installation & Maintenance. Telephone Systems & Equipment - Winnellie, NT . Service: Cabling, Design, Installation, Maintenance, Networks, Repairs, Telephony Integration. Type: Commercial. Brand: Commander, NEC, Plantronics, Polycom, Telstra. Product: Cabling, Cordless Phones, Handsets, Switches, Telephones. Kind: Key, PABX, VoIP. Specialty: Relocation, Wireless Data. Feature: On Hold Messages, Voice Mail. Ownership: Locally Owned. Service Option: Free Quotes, Quotes. Assurance: Accredited, Licensed