for digits. Then two commas, four seconds may be ample, perhaps even one. Twilio itself uses the

same principle internally. Its send digits functionality supports pauses specifically

so automated calls can connect and then send DTMF. And we can make the Twilio DISA intelligent

enough that you don't need a spoken. Open quote, please enter the number you wish to dial.

Close quote. It answers silently, accepts the digits and starts dialing. To you it should

feel surprisingly close to making an ordinary call, just with perhaps a couple of seconds extra

delay. So I'd build this version first and separately test the other half. Original caller

Twilio 0114 number SIM2, verifying that the original caller's CLI survives the Twilio to

mole leg. If both tests work, you've essentially built the native cellular version of your PBX

extension that you were trying to achieve without actually needing the PBX or ground wire at all.

Thank you.