Acuity Unified Communications has acquired the customer contracts of St Albans-based SIP trunking security firm 500 Ltd. Its fraud protection software portfolio provides security for mobiles and SIP connectivity.
The deal also gives Acuity access to 500 Ltd's self-service provisioning portal.
John Dowbiggin, MD of Acuity Unified Communications, said: "Cyber security is vital in today's business telecoms arena and we want to ensure those customers that require robust protection from cyber attack whether, it be mobile or SIP connectivity, are covered to the FCS Mark of Excellence Gold level."
500 Ltd MD Jonathan Rodwell added: "We can now focus on being a pure software house and provide service providers such as Acuity our provisioning portals."