Template:SIP TEST FACT DTMF: Difference between revisions
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The provider does not fully support reliable transportation of DTMF signals (DTMF tones are treated separately from voice data). There may be different symptoms like | The provider does not fully support reliable transportation of DTMF signals (DTMF tones are treated separately from voice data). There may be different symptoms like | ||
< | <p> | ||
<blockquote> | |||
<ul> | <ul> | ||
<li>no DTMF at all | <li>no DTMF at all | ||
| Line 8: | Line 9: | ||
<li>DTMF digits echoed back to the sender | <li>DTMF digits echoed back to the sender | ||
</ul> | </ul> | ||
</ | </blockquote> | ||
Revision as of 12:53, 9 August 2016
The provider does not fully support reliable transportation of DTMF signals (DTMF tones are treated separately from voice data). There may be different symptoms like
- no DTMF at all
- no DTMF at the beginning of a call
- loss of some DTMF digits in a multi-digit DTMF sequence
- duplication of DTMF digits
- DTMF digits echoed back to the sender