Long-time voice and data engineer and current sales engineer for Fusion, Roger Arnett shares 5 best practices for insatlling SIP trunking. Roger has engineered hundreds of SIP installations and has gathered a vast amount of wisdom on this topic. From how to evaluate your access method, to how to fill out porting paperwork properly, to how to set up test calls, Roger tells us several easy-to-understand methods to ensure your company has a flawless SIP installation.