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TelcoSI are a trusted, privately held Sydney based software business. We have been around since 2001. We have always had a focus on telecommunications and on service management.

Our customers include Telstra, Optus, Vodafone, ANZ Bank, ASX and many others large and small.

We enjoy what we do. We strive to work with people and businesses that share our optimism for what technology can do to enrich experiences.