Complex sentence: "PennyTel" and "iVoiSys", two Sydney-based VoIP resellers, were acquired by MyNetFone in October 2013, followed by iBoss, a billing, operations, provisioning and central management system acquired in 2014.
Split into simpler sentences: PennyTel and "iVoiSys", two Sydney-based VoIP resellers, were acquired by MyNetFone in October 2013. Followed by iBoss, a billing, operations, provisioning and central management system acquired in 2014.