How to Dial DTMF or Digit Extension in SIP Interconnect?
To send digits as the called party's extension number in a connected Video SIP call.
- SIP Interconnect
- Video API
- DTMF Digits
- Initiate the SIP call by a dial-out to the destination number.
- Once the SIP call is connected, send DTMFs with the pauses if needed to delay sending the DTMFs. Pausing the DTMF delivery is useful in dialing a destination extension number through an IVR selection. For example, dial extension 1000 with a pause as pp1000 where p=500ms. Before the DTMF 1000 gets sent, it waits for a second before sending the digits 1, 0, 0, 0.
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