電信公司可以提高特定門號的優先權(比較常見的是警察或是消防等公務門號,之前有個笑話是"With QoS,ISPs with congested backbone could say I'll drop someone else's packet for U if U pay more $$ to me"),至於媒體之類會不會被優待就只有電信公司相關人士才知道了....