Python PJSIP,DTMF, gTTS,AUTOMATED CALL

Hi everyone, I'm looking for someone to make for me a python script that interact with VOIP Using PJSIP. The script must call a number and use gTTS ( Google Text to speech ) to say predefined text. Also it must decode DTMF to get user input... (Budget: $30 - $250 USD, Jobs: Asterisk PBX, Google Cloud Platform, Python, SIP, VoIP)