i full stack developer with more the years the experiencie in Voip, asterisk , freepbx,
i can do it your project.
1. Set up to go to main number versus current extension. (currently all calls go to a single extension and then forwarded to a mobile number. 1 hour aprox
2. Export call data received & missed as well as any voicemail for importing to SuiteCRM.
8 hours aproxy
3. Send email & SMS for missed calls to extension owner plus second designated email & SMS.
8 hours aprox
4. Want to be able to have a group of extensions that will be tried until someone answers the call. If no one answers, then goes to a specific voicemail box.
1 hour aprox