Great insights, Csaba! It's impressive to see how the AMR capability enhances voice quality, and I’m particularly intrigued by the potential of CSD for faxing over GSM. Your experience with the OML dialect and its compatibility with older Nokia equipment is valuable. By the way, I recently came across a [small text generator](https://smalltextgenerator.org/) tool that simplifies creating concise summaries of technical discussions like these. It could be useful for anyone looking to distill complex topics into digestible formats.