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dtmf noise tone
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retiedintorni Offline
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Posts: 6
Joined: Jul 2013
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Post: #1
dtmf noise tone
Hi, we have several T28 and T22 installed to some customers that have the same problem; random a continuos tone like a dtmf tone but continuos is heard; the other caller doesn't hear the noise and doesn't hear the person at the phone. The noise go on for some seconds and then stop. This problem happens random, always for incoming call.
We use PBX asterisk based, trunk sip and the firmware of phones are different, v60 v70 and v71.
Anyone has the same problem?

Thanks a lot
10-17-2013 10:21 PM
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Messages In This Thread
dtmf noise tone - retiedintorni - 10-17-2013 10:21 PM
RE: dtmf noise tone - Yealink Support - 10-23-2013, 06:23 PM
RE: dtmf noise tone - retiedintorni - 10-28-2013, 05:18 PM
RE: dtmf noise tone - retiedintorni - 10-28-2013, 10:08 PM
RE: dtmf noise tone - Yealink Support - 10-29-2013, 10:07 AM
RE: dtmf noise tone - retiedintorni - 10-29-2013, 04:35 PM
RE: dtmf noise tone - Yealink Support - 10-29-2013, 05:30 PM

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