[Blueflag]

Even back in the early days of SS7, there was no “KEEP HIM ON THE LINE” nonsense. Nowadays, it’s an inquiry in the right portal.

[higgmeister]

LOL   I was one of those guys in the early days of SS7.

Troubleshooting data packets of voice connections was more interesting than the old analogue days.   For years we just had analogue channel banks in and out of a front end digital switch.