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Blue Boxing, anyone?


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#21 df99

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Posted 19 June 2007 - 08:02 AM

The patches are at:

http://www.projectmf...s/projectmf.tgz

#22 Phreaker Meekrab

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Posted 19 June 2007 - 07:37 PM

No Kacheep? <_<

#23 df99

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Posted 20 June 2007 - 11:06 PM

Just added the kacheep! A bit more realistic.

#24 df99

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Posted 21 June 2007 - 09:29 AM

I've updated my ProjectMF dial plan to (hopefully) provide more realistic seizures. The plan I was using did not return a wink on seizure, so was not very realistic.

When dialing in now, you get routed through an SF/MF trunk, to and endless ringback (with an occasional voice prompt to play 2600). A successful seizure should drop to the trunk and give 2600 handshake "kabeep".

It is more difficult to seize the trunk, though, requiring a longer and louder 2600. MF detection is unaffected. MF tones may be played much more softly.

When a successful call hangs up, you get dropped back to the ringing.

Imagine you are seizing a Hertz toll-free ringback!

(630) 485-2995

Edited by df99, 21 June 2007 - 03:54 PM.


#25 df99

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Posted 21 June 2007 - 10:13 AM

I changed this to work in a slightly different way:

You get 30 seconds of ringback. You can try to seize during this period. After 30 seconds, the trunk will seize automatically. A brief chirp of 2600 from here allows MF dialing.

This was added because of the difficulty seizing from the ringing line. Seizing the ringing line works well when coming in from CNET, but is harder when coming in from the PSTN - (630)485-2995.

#26 JmanA9

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Posted 21 June 2007 - 01:48 PM

Just tried calling in, and I got a reorder.

#27 df99

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Posted 21 June 2007 - 02:32 PM

I just checked, and seems to be working fine.

#28 df99

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Posted 23 June 2007 - 12:45 PM

After comments on the difficulty of seizing a
trunk on my box when coming in on the PSTN, I decided
to investigate further. I found that code that called
the SF detector required 250 ms of continuous SF to
declare an "on-hook". Because of noise, vocoder
issues, etc., this was really hard to achieve over VOIP. I
shortened that time to 75 ms. It works MUCH better
when coming in over the PSTN, even better on CNET or
through a local extension through my ATA.

A nice side effect is the ability to do repeated
seizures of the trunk (with proper kerchunks) while
sitting on the idle trunk.

It is now much more like the old network.

#29 df99

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Posted 24 June 2007 - 08:49 PM

I put up a recording of what ProjectMF sounds like in action.

See the attachment on this post.

df99

Attached Files


Edited by df99, 24 June 2007 - 09:16 PM.


#30 Phreaker Meekrab

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Posted 24 June 2007 - 09:35 PM

IM LIKE EVAN DOORBELL!!! :wub:

#31 df99

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Posted 29 June 2007 - 07:26 PM

When trying to blue box to an outgoing number, remember: 10 DIGITS ONLY!!!!

That is:

KP + xxx-xxx-xxxx + ST

Do NOT prefix a "1" before the number, or the system will read your number back and give you another try.

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#32 df99

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Posted 29 June 2007 - 07:43 PM

If you want to directly interconnect an extension from your Asterisk server (running ProjectMF or not) into my ProjectMF box, you can add an extension using the following as a pattern.

This example will dial my box when dialing 2600 local to your machine:

exten => 2600,1,Dial(IAX2/cnetguest@projectmf.homelinux.com/17622600)

To dial ProjectMf on my box and go directly to ringing and trunk without the long-winded optional explanation:

exten => 2601,1,Dial(IAX2/cnetguest@projectmf.homelinux.com/17622601)

This connects directly into my machine in the same way CNET users come in, but without the ENUM lookup to the CNET DNS server. The address is hard-coded.

#33 Sidepocket

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Posted 29 June 2007 - 07:49 PM

This is fucking awesome! God I wish for the old analog systems.

I was actually going to make my own Blue Box shirt. :pirate:

#34 df99

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Posted 22 July 2007 - 08:48 AM

Added Free World Dialup access at: 862548.

Also, some new Evan Doorbell recordings at 116-120 and 122.

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#35 PhreakerD7

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Posted 22 July 2007 - 11:43 AM

Dude, this is so neat. Keep up the good work, man!

#36 df99

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Posted 23 July 2007 - 10:00 AM

I've made a few improvements to the ProjectMF patches. The loud "warbling" noise when dropped to the SF/MF trunk is gone. You may hear a slight buzzing on the line, which is the filtered 2600 from the unsupervised far end trunk.

The wink after applying and removing 2600 to seize the trunk is a bit quieter and more subtle. You can hear the buzzing stop during the wink as 2600 is removed briefly and reapplied. You can re-seize the trunk and get a new wink as often as desired. If no digits are received in 4 seconds, a reorder is briefly returned, but you can reseize after it stops.

I also added a series of old-style intercept rings on most of the internal numbers.

I think the net effect is more realistic.

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#37 df99

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Posted 14 August 2007 - 10:41 PM

I added the 1991 interview Emmanuel Goldstein did with Joybubbles in 1991.

Dial 630-485-2995 from the PSTN or 862548 from Free World Dialup or 1-762-2600/2601 from CNET.

KP + 123 + ST Part 1
KP + 124 + ST Part 2

Also on 1-762-0123 and 1-762-0124 on CNET (see www.ckts.info)

#38 df99

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Posted 16 August 2007 - 08:55 AM

I added a comment line for comments on ProjectMF with 2600+KP+161+ST to record and 2600+KP+171+ST to playback. Use 0 to exit and * and # to move backward and forward through the comments at 171.

Also via CNET gateway at 1-762-0161 and 1-762-0171. See www.ckts.info for gateway numbers and directory.

Edited by df99, 16 August 2007 - 08:57 AM.


#39 tomcat510

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Posted 19 August 2007 - 08:01 PM

So can you call a normal actual telephone number from this thing? I listened to the mp3 and I was wondering cause he dialed into a voicemail system..

#40 df99

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Posted 20 August 2007 - 07:40 AM

Yes, you can dial a regular US number. The voicemail number was dialed as a test number. Use 2600, then KP + <10 digits> + ST. Do not use a leading "1" in the phone number.

I've made quite a few improvements in the sensitivity of the system recently. A brief, 1 second beep of 2600 should be sufficient to seize the line.




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