@eval I try to avoid PSA. We don't do any. The usual issue if is it is paying for a service, i.e. a premium, rather than just the cost of the call/text, IIRC. But 10p seems like it may be paying. May be best to ask PSA.
the mastodon instance at cybre.space is retired
see the end-of-life plan for details: https://cybre.space/~chr/cybre-space-eol