Supporting FOSS telephony tools

[vasnt]

Possible to add support for foss telephony tools?
e.g. (not sure are they are mature/stable or not or there are any better alternatives outs)

• https://github.com/kamailio/kamailio
• https://fonoster.com/
• https://www.asterisk.org/downloads/

[prateeksachan]

hey @vasnt we welcome contributions and PRs. I've put up a small doc for integrating telephony providers:

https://github.com/bolna-ai/bolna?tab=readme-ov-file#extending-with-other-telephony-providers