[Bridge] Sipgate (Receive SMS)

[DC7IA]

Network to be bridged: Sipgate

Allow getting SMS via Matrix from Sipgate, maybe Fax as well.

(Fax: https://en.wikipedia.org/wiki/Fax)

Reference material (API docs, etc):

https://www.sipgate.io/en/receive-sms

https://github.com/sipgate-io

[DC7IA]

Sipgate has several examples in their repos, so that should be relatively simple for someone who knows how such things work.