[Crew] UK PSTN In-band signaling??!??!?!

Re-LoaD reload at brum2600.net
Tue Sep 5 09:44:17 BST 2006


Daac wrote:
> Before I ask a question, please note:
> (1) This is NOT a question about blueboxing.
> (2) Yes, I'm very aware of SS7!
> 
> I'm interested in call tear-down on the UK PSTN. Does
> anyone know if 852 hz+1633 hz plays a role, or whether
> only the voltage is important?
> 
> Any thoughts on the above would be gratefully
> recieved.
> 
> -Karamoon
> 

In-band ??? from the handset ? not on core network with digital switches 
replacing cross bar..... of course PBX's are a different story :) you 
may be able to seize an out going trunk on a crap PBX or look for a 0800 
number that routes out to a C5 switch or PBX outside the UK (just 
re-read my email and its not fair of me to just say go look for.. so 
08000285957).... Better go 0wn yourself a gateway (I remeber talking 
about this with -Q on Saturday).... Anyway -Karamoon we need a chat and 
you need to pass the FED test :)
<0wned session>
// MSU DATA BEGIN
// MSU DECODE BEGIN
MSU 2006-09-05 08:18:33.950
Backward
	BSN       = .0000011 = 3
	BIB       = 1.......
Forward
	FSN       = .0110000 = 48
	FIB       = 1.......
Length
	LI        = ..010000 = 16
	SPARE     = 00......
Service Indicator Octet
	SI        = ....0100 = TUP
	SPARE     = ..00....
	SUB-SERV  = 10...... = National
BTUP
DPC     = (16120) -- look em up
OPC     = (15917) -- look em up
	CIC     =  1851
	MSGTYPE   = H1=0x01 H0=0x00
- BTUP IFAM -
- Called Address -
NAS     = ...00011 Number of Address Signals (3)
PRI     = 000.....
AS      = 0x99 0x09  (999)
- IAM/IFAM Message Indicators -
CPC     = x..00111
EDI     = x.0..... Enhanced Diversion Indicator
RES     = x0...... Reserved
CLI     = .......0 Calling Line Identity Not Included
CIB     = ......0. Calling Line Identity Blocking
INTL    = .....0.. No Incoming International Call
IW      = ....0... Interworking Indicator
PA      = ...0.... Priority Access Indicator
RES     = ..0..... Reserved
MDG     = .1...... Meter Delay Guard Timout Indicator
PROT    = 1....... Protection Indicator (999 Emergency Calls, Operators, 
Fires)
SHP     = ............0101
RPI     = .........0......
RES     = ....0........... Reserved
LPD     = ............0...
CTI     = ..000...........
ECD     = .........0......
NTA     = ........0.......
ICI     = ......0000......
RCI     = .0000...
CPI     = ....000.
PNI     = ......0.

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</0wned session>




Re-LoaD
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