Is it possible to track a call backwards beyond the last PBX?
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We receive international calls into an Asterisk server (13.20) where some of the calls are automated, meaning there is no person involved, sort of M2M.
It is important for us to know where those automated call are coming from. Since it is easy to generate a call with faked ID we want to strengthen the authentication by identifying the original network from where the call was made.
When looking at the Asterisk logs I can see that a call came from Twilio for example, but that's it, no more tracking information.
My question:
Is it possible to track a call backwards beyond the last PBX who transferred the call to my server?
asterisk
asked Nov 10 at 12:01
Nino
136
add a comment |
up vote
0
down vote
favorite
We receive international calls into an Asterisk server (13.20) where some of the calls are automated, meaning there is no person involved, sort of M2M.
It is important for us to know where those automated call are coming from. Since it is easy to generate a call with faked ID we want to strengthen the authentication by identifying the original network from where the call was made.
When looking at the Asterisk logs I can see that a call came from Twilio for example, but that's it, no more tracking information.
My question:
Is it possible to track a call backwards beyond the last PBX who transferred the call to my server?
asterisk
asked Nov 10 at 12:01
Nino
136
How are these calls coming in ? PSTN/SIP/AIX etc.
– user3788685
Nov 10 at 23:50
I am mostly interested to track SIP calls as they have the highest probability to carry faked CLI.
– Nino
Nov 11 at 17:18
Here in the UK I see many calls on and to the PSTN with fake CLID daily.
– user3788685
Nov 11 at 18:39
it is impossible to track fake CLI but maybe , there is hint on SIP headers. so you can mirror sip port and then by Homer/wireshark , you can save sip packets. and then you can follow IP/CLI. thats all you can.
– Ycaner
Nov 12 at 6:51
add a comment |
up vote
0
down vote
favorite
up vote
0
down vote
favorite
We receive international calls into an Asterisk server (13.20) where some of the calls are automated, meaning there is no person involved, sort of M2M.
It is important for us to know where those automated call are coming from. Since it is easy to generate a call with faked ID we want to strengthen the authentication by identifying the original network from where the call was made.
When looking at the Asterisk logs I can see that a call came from Twilio for example, but that's it, no more tracking information.
My question:
Is it possible to track a call backwards beyond the last PBX who transferred the call to my server?
asterisk
asked Nov 10 at 12:01
Nino
136
We receive international calls into an Asterisk server (13.20) where some of the calls are automated, meaning there is no person involved, sort of M2M.
It is important for us to know where those automated call are coming from. Since it is easy to generate a call with faked ID we want to strengthen the authentication by identifying the original network from where the call was made.
When looking at the Asterisk logs I can see that a call came from Twilio for example, but that's it, no more tracking information.
My question:
Is it possible to track a call backwards beyond the last PBX who transferred the call to my server?
asterisk
asterisk
asked Nov 10 at 12:01
Nino
136
asked Nov 10 at 12:01
Nino
136
asked Nov 10 at 12:01
Nino
136
asked Nov 10 at 12:01
Nino
136
asked Nov 10 at 12:01
Nino
136
136
How are these calls coming in ? PSTN/SIP/AIX etc.
– user3788685
Nov 10 at 23:50
I am mostly interested to track SIP calls as they have the highest probability to carry faked CLI.
– Nino
Nov 11 at 17:18
Here in the UK I see many calls on and to the PSTN with fake CLID daily.
– user3788685
Nov 11 at 18:39
it is impossible to track fake CLI but maybe , there is hint on SIP headers. so you can mirror sip port and then by Homer/wireshark , you can save sip packets. and then you can follow IP/CLI. thats all you can.
– Ycaner
Nov 12 at 6:51
add a comment |
How are these calls coming in ? PSTN/SIP/AIX etc.
– user3788685
Nov 10 at 23:50
I am mostly interested to track SIP calls as they have the highest probability to carry faked CLI.
– Nino
Nov 11 at 17:18
Here in the UK I see many calls on and to the PSTN with fake CLID daily.
– user3788685
Nov 11 at 18:39
it is impossible to track fake CLI but maybe , there is hint on SIP headers. so you can mirror sip port and then by Homer/wireshark , you can save sip packets. and then you can follow IP/CLI. thats all you can.
– Ycaner
Nov 12 at 6:51
How are these calls coming in ? PSTN/SIP/AIX etc.
– user3788685
Nov 10 at 23:50
How are these calls coming in ? PSTN/SIP/AIX etc.
– user3788685
Nov 10 at 23:50
I am mostly interested to track SIP calls as they have the highest probability to carry faked CLI.
– Nino
Nov 11 at 17:18
I am mostly interested to track SIP calls as they have the highest probability to carry faked CLI.
– Nino
Nov 11 at 17:18
Here in the UK I see many calls on and to the PSTN with fake CLID daily.
– user3788685
Nov 11 at 18:39
Here in the UK I see many calls on and to the PSTN with fake CLID daily.
– user3788685
Nov 11 at 18:39
it is impossible to track fake CLI but maybe , there is hint on SIP headers. so you can mirror sip port and then by Homer/wireshark , you can save sip packets. and then you can follow IP/CLI. thats all you can.
– Ycaner
Nov 12 at 6:51
it is impossible to track fake CLI but maybe , there is hint on SIP headers. so you can mirror sip port and then by Homer/wireshark , you can save sip packets. and then you can follow IP/CLI. thats all you can.
– Ycaner
Nov 12 at 6:51
add a comment |
1 Answer
1
active
oldest
votes
up vote
-1
down vote
Some operators send some tracking in sip headers
For see more info, check sip debug.
asterisk -r
sip set debug on
However most of operators not provide for clients info about path of calls, some even not store it for internal use.
answered Nov 11 at 2:07
arheops
12k11122
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
-1
down vote
Some operators send some tracking in sip headers
For see more info, check sip debug.
asterisk -r
sip set debug on
However most of operators not provide for clients info about path of calls, some even not store it for internal use.
answered Nov 11 at 2:07
arheops
12k11122
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
add a comment |
up vote
-1
down vote
Some operators send some tracking in sip headers
For see more info, check sip debug.
asterisk -r
sip set debug on
However most of operators not provide for clients info about path of calls, some even not store it for internal use.
answered Nov 11 at 2:07
arheops
12k11122
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
add a comment |
up vote
-1
down vote
up vote
-1
down vote
Some operators send some tracking in sip headers
For see more info, check sip debug.
asterisk -r
sip set debug on
However most of operators not provide for clients info about path of calls, some even not store it for internal use.
answered Nov 11 at 2:07
arheops
12k11122
Some operators send some tracking in sip headers
For see more info, check sip debug.
asterisk -r
sip set debug on
However most of operators not provide for clients info about path of calls, some even not store it for internal use.
answered Nov 11 at 2:07
arheops
12k11122
answered Nov 11 at 2:07
arheops
12k11122
answered Nov 11 at 2:07
arheops
12k11122
answered Nov 11 at 2:07
arheops
12k11122
12k11122
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
add a comment |
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
"sip set debug on" is how I get the information about the last leg, as explained above this is not enough.
– Nino
Nov 11 at 6:40
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
Sorry, no way get info provider not want you see.
– arheops
Nov 11 at 10:11
add a comment |
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How are these calls coming in ? PSTN/SIP/AIX etc.
– user3788685
Nov 10 at 23:50
I am mostly interested to track SIP calls as they have the highest probability to carry faked CLI.
– Nino
Nov 11 at 17:18
Here in the UK I see many calls on and to the PSTN with fake CLID daily.
– user3788685
Nov 11 at 18:39
it is impossible to track fake CLI but maybe , there is hint on SIP headers. so you can mirror sip port and then by Homer/wireshark , you can save sip packets. and then you can follow IP/CLI. thats all you can.
– Ycaner
Nov 12 at 6:51