I am trying to configure UC300 but I have seen there is no support for call centric. Any other VOIP Provider to test the SIP TRUNK settings and configuration . I am in a hurry Please any one consider it and give me support if available. I will be available on phone and running out of time. I will really appreciate if some one help me out. I have searched on different forums, youtube and google but in vain. Please help me out.