are both switches capable of qsig.. that by far in the cleanest and it will anti-trombone.. check this out, on my qsig if i call the remote switch, i never hit a trunk if that call is cfa back to mail.. the far end rings via the d, and the called party does not answer, a trunk never goes busy and the mail answers back on the main site.. that's one better then the old anti-trmb on non pri
john poole
bellsouth business
columbia,sc