GENBAND is expanding into the enterprise communications market to support enterprise organizations with unified communications (UC) and SIP trunking solutions. The company has signed Black Box Network Services, a communications system integrator, to the GENBAND Partner Advantage Program. Black Box joins the program as a Platinum Member, which is the highest level a company can attain.The partnership is intended to open a pathway for businesses to transition large-scale enterprise networks to UC applications while maximizing existing infrastructure, including integration with legacy PBX systems and support of analog, digital, UNISTIM and SIP-based phones.