Monthly Archives: December 2009

I am using callcentric for my VOIP service. When I use Voicent to call, I got an error message: ‘Failed. No answer. SIP Error: 403 Not subscribed’. How do I resolve this Normally this issue is not related to your … Continue reading →

I currently have licensed to use two lines but presenlty I am only able to use one line via SIP broadcasting. I have confirmed that the account is configured to make 4 calls but I am only able to use … Continue reading →