If the question is understood properly, the other QoS option that is available on a Comcast modem is VOIP. There appears to be a problem with certain Comcast routers and stacking services; however, possible solutions can be found online.
There's a number of solutions that can help: 1- Wired connection from your modem to your console is your best bet. 2- Try port-forwarding to get an open NAT type. 3- Prioritize your console by accessing your modem settings under an option called "QOS".
QoS is Quality of Service. Basically it prioritizes VOIP calls.
QoS (Quality of Service) strategy
QoS mapping for a wireless network - Mapping of QoS names of one protocol (e.g GSM GPRS) to the names of another protoco (e.g. WAP 3GPP.) More genrally, mapping of one QoS lassification to another.
Quality of Service
qos
QoS
QoS Queen of the South
Qos
QoS strategy
You need to look up QoS (quality of service).
QoS stands for Quality of Service. The most common complaints against VOiP communications are quality and reliability. The type of hardware one uses can greatly impact the quality.