I have one HiPER DSP that has 21 active calls and then returns a busy signal, even though there should be three more modems available. Any suggestions as to why this is happening? David - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.