| Albania | ACTA Ltd. | +30.210.6003302 |
| Argentina | TECNOUS | +54.11.53684400 |
| Australia (Melbourne) | Vicom Australia Pty. Ltd. | +61.3.9563.7844 |
| Australia (Sydney) | Vicom Australia Pty. Ltd. | +61.2.9648.4757 |
| Austria | Tucana Telecom | +49.89.5403.0969 |
| Belgium | Tucana Telecom | +32.3.2376.326 |
| Bosnia and Herzegovina | NIATEL D.O.O. | +387.33.713.230 |
| Bulgaria | KaBits Ltd. | +359.2.9640220 |
| Canada | CKEY Networks | +613.838.2559 |
| Chile | Sistemas de Instrumentacion Ltda | +56.696.0031 |
| China (Beijing) | NTS Technologies Limited | +86.10.6422.8343 |
| China (Guangzhou) | NTS Technologies Limited | +86.20.3810.5681 |
| China (Shanghai) | NTS Technologies Limited | +86.21.5045.9926 |
| Croatia | Dekod Telekom d.o.o. | +385.1.3361435 |
| Czech Republic | Altron a.s. | +420.261.309.111 |
| Equador | Transvecom | +58.414.316.8607 or +58.416.823.7874 |
| Finland | Kontram Oy | +358.9.8866.4500 |
| France | Tucana Telecom | +33.1.3009.2090 |
| Greece | ACTA Ltd. | +30.210.6003302 |
| Germany | Tucana Telecom | +49.89.5403.0969 |
| Hong Kong, Macau | NTS Technologies Limited | +852.3184.0330 |
| Hungary | Kabelkon Kft. | +36.1.3914110 |
| India (Bangalore) | FASTECH Telecom Pvt. Ltd. | +91.80.2506.6131 |
| India (Mumbai) | FASTECH Telecom Pvt. Ltd. | +91.22.2835.3636 |
| India (New Dehli) | FASTECH Telecom Pvt. Ltd. | +91.11.5155.4210 |
| Israel | IES Electronics Agencies LTD. | +972.3.7530700 |
| Italy | Delo Instruments | +39.02.9072.2441 |
| Korea | Se Won System Integration Co. Ltd. | +82.2.3283.0055 |
| Luxembourg | Tucana Telecom | +32.3.2376.326 |
| Macedonia | ACTA Ltd. | +30.210.6003302 |
| Montenegro | IBIS Instruments | +381.11.3193157 |
| Netherlands | Tucana Telecom | +31.76.5794.111 |
| New Zealand | Vicom (N.Z.) Pty. Ltd. | +64.9.379.4596 |
| Panama | Transvecom | +58.414.316.8607 or +58.416.823.7874 |
| Portugal | Albedo Telecom | +34.93.221.28.73 |
| Romania | Intersistem Electronic s.r.l. | +49.7121.86.2222 |
| Russia | TCM Kommunication | +7.495.937.3604 |
| Serbia | IBIS Instruments | +381.11.3193157 |
| Singapore | Telescience Pte. Ltd. | +65.6749.7878 |
| Slovakia | Altron a.s. | +421.2.546.40114 |
| Spain | Albedo Telecom | +34.93.221.2873 |
| Switzerland | Tucana Telecom | +49.89.5403.0969 |
| Taiwan | Dataview | +886.2.2790.6623 |
| Thailand | Measuretronix | +66.2.514.1000 |
| United Kingdom | Sygnus Data Communication Ltd. | +44.0844.770.5170 |
| Venezuela | Transvecom | +58.414.316.8607 or +58.416.823.7874 |