CSAA Insurance and Microsoft Ventures both backed a round that took the emergency response technology provider's total funding to about $35m.

RapidSOS, a US-based developer of an emergency prediction software, secured $16m in funding on Wednesday in a round featuring insurance firm CSAA Insurance and Microsoft Ventures, a subsidiary of software provider Microsoft.

Highland Capital Partners led the round, which included fellow venture capital firm Forté Ventures. It boosted the company’s overall funding to about $35m since it was founded in 2013.

RapidSOS has developed software that uses real-time data received from connected equipment like wearable devices, connected cars’ telematics systems,…