[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.
H'650490 H'0000 H'0000 H'4140 H'0000 H'0003 H'0000 H'0000 H'FC3B
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</0wned session>
Re-LoaD
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