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When DTMF tone is played, how it should play?

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NgocDieu2014

Technical User
Jul 17, 2020
2
US
Hi,

I have a test as below:

1. SIP station 1 (A) makes call to SIP station 2 (B)
2. When A presses DTMF tones, should B hear the tones as well?
3. When B presses DTMF tones, should A hear the tones as well?

Regards,
Ngoc
 
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