5 ms·
This is why in-band signaling is very, very bad. See also: phone phreaking.
by eckza 7y ago
This is why in-band signaling is very, very bad.
See also: phone phreaking.
- finnthehuman 7y ago> This is why in-band signaling is very, very bad. The system was designed for resilience in the face of disasters up to and including nuclear attack. In this case low complexity in a single channel is a feature, not a bug.
- Retric 7y agoAdding even just a data time stamp would easily let you filter accidental bad data.
- jjoonathan 7y agoI sincerely hope that none of my equipment would filter an emergency message with a "bad" timestamp.
- tantalor 7y agoEver see a VCR blinking "12:00"?
- deleted 7y ago[deleted]
- eckza 7y agoThat’s a strong argument. I rescind my statement.
- tenebrisalietum 7y agoBut it's better than nothing when you have a wide network already in place and are too cheap to extend it. For one-way wide area communications it might not be a bad tradeoff. AT&T had an issue with blueboxing because people were making free calls on it.