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Hi, my data looks this: id forma program kod obor rocnik 1 10001 kombinovan? Matematika M1101 matematika 1 2 10002 prezen?n? Informatika N1801 teoretick? informatika 1 3 10002 prezen?n? Informatika B1801 obecn? informatika 3 4 10003 prezen?n? Informatika M1801 softwarov?

I get an echo when going from a SIP phone to a PRI trunk. I hear the echo on the SIP phone. From reading some other post I think that I need to tell me phone company to turn on echo canceling. If the echo was on the other end than it would be my problem? Is this right? What exactly should I say to my phone company so they know exactly what I'm talking about? -- Michael Sampson