alleged legacy telecom providers might deal with sizable substitution/cleanup costs linked to direct-sheathed cables however in use.The very poor effectiveness AT&T's stock has endured in the last few decades is a mirrored image of three aspects:XSMB - SXMB - K?t qu? x? s? mi?n B?c ???c t??ng thu?t tr?c ti?p t?t c? các ngày trong tu?n t? th? tw