After installing CallVantage, his broadband speed dropped

Interesting post this morning on the VoIP Forum. Member "tjlucas" seems perplexed that after he added AT&T CallVantage to his Comcast high-speed Internet connection, that connection wasn't so high-speed.

Interesting post this morning on the VoIP Forum. Member "tjlucas" seems perplexed that after he added AT&T CallVantage to his Comcast high-speed Internet connection, that connection wasn't so high-speed.

Lucas says that before installing CallVantage, he was getting 6 Mbps down and 768Kbps up.Yet oncehe enabled CallVantage,his speeds havedropped to "1.5-1.8 Mbps down and about 500 Kbps up."

He's looking for an explanation, as well as a way to fix the problem. Have you had similar issues? If so, how did you solve them? You can answer him on the VoIP Forum, or do so here by posting a TalkBack.