Digium Wildcard TE407P card has a built-in hardware echo cancellation, based on a powerful digital signal processor. Board supports E1, T1 and J1 interfaces, which can be configured for each interface or the entire board as a whole.
Evolutiontel is an Australian owned company specialising in Voice over Internet Protocol (VOIP). Our first project was to provide a VOIP service that allows voice and video calls over the internet without sacrificing quality.