We have an office with an Avaya G350, S8300 running CM 5.1.1, and MM710 running a straight up T-1 with voice (not ISDN of any kind). Trunk Group is set up as TIE to LEC with an old Ericsson AXE (b8zs, esf, robbed-bit, 24 b channels, no caller id in or out). Some LD calls are being rejected by...