Modifying Diversion Header on Sonus for Unscreened ANI

What is Unscreened ANI and how do you set it up on your Sonus SBC 1K/2K? Unscreened ANI is a feature that some SIP providers have to enable you to use any phone number in the Line URI of a Microsoft Lync Enterprise Voice user where the number does not get validated when it is […]