This is a bit of random one and BT Live chat are basically saying it's a handset feature which I highly doubt.
So is it possible for the Obi110 to randomly call timeline?
Heres the chat with BT.
Sparsh: Hello. I'm Sparsh.Thanks for that information, I'll check it and get back to you in a moment. Sparsh: hi Mark Me: Hi :) Sparsh: I will check this for you Me: This issue has occurred before, there have been other random calls to 123 on our line, I've read online that it is caused by Engineers checking for an active line. Sparsh: is it a business account? Me: No. Me: Its a personal/private account. Sparsh: Okay! Sparsh: Thanks for wating Me: No problem. Sparsh: I have just shared a page on email@example.com Please check your email Me: That doesn't answer my issue, the problem is the charge to the speaking clock, no one here has the need to call this service, apparently its pretty common. Sparsh: I am sorry this was not charged from our side, this is a your hand set function Me: So random calls to 123 are caused by our handset? A handset that randomly likes to dial the speaking clock? Me: I don't believe that, if it was the handset it would happen more often not once in a few months. Sparsh: Find the precise time by dialling 123 to hear the BT speaking clock (Timeline). The time is announced every ten seconds. It costs 38.9p a minute from BT landlines any time of day or night. Me: Yes I understand what the time line is, the problem is the charge for call that we did not make. Sparsh: I need to connect you to the phone team Me: It's fine, I'll call tomorrow, it's pretty late. Me: Thanks for your help, have a nice evening. Sparsh: You too
I recently attached a mobile dongle to my Pi and was planning on routing calls through that, I'd setup a test number to dial through the dongle as 123456<number>.
Looks like I made a configuration error at one point as the whole number went through to the line instead of the dongle. I would have thought BT would wait for the complete number to be entered before deciding where to route the call, it seems they don't - they see the 123 number and blindly connect to timeline.
That still doesn't explain why it happened a few months ago though, I didn't even have the dongle then!