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Block inbound DTMF from CUCM to SCCP phone

Hi Everybody, 

I have a question about the DTMF...

Here is the scenario,

A SCCP phone calls to PSTN mobile phone.
Then, SCCP phone creates Ad-hoc conference and bridge the UCCX IVR port (ivr application) together.

When PSTN mobile phone user enter his mobile keypad, both IVR application and SCCP phone can receive the DTMF signal.

Is it possible to block the DTMF signal to SCCP phone?

Thanks in advance

Sam

Everyone's tags (3)
1 REPLY 1
Cisco Employee

Hi Sam,

Hi Sam,

As per design the conference bridge will send the RTP from the source to all other connected parties, so it seems this behavior can not be changed.

Manish

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