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New Member

Identifying the source number

Using commands in our router I'd like to identify who is originating the call, but I can see only the destination number. The following command is an example:

sh call history voice last #

.

.

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GENERIC:

SetupTime=932828628 ms

Index=94959

PeerAddress=05107721089

I see the destination number: 7721089 but i'd like to identify who orinated this call.

How could I identify this information using router's commands?

#sh ver

Cisco Internetwork Operating System Software

IOS (tm) 3600 Software (C3640-DS-M), Version 12.2(12), RELEASE SOFTWARE (fc1)

Copyright (c) 1986-2002 by cisco Systems, Inc.

Compiled Tue 20-Aug-02 23:38 by pwade

Image text-base: 0x60008930, data-base: 0x6121C000

Thanks in advance,

Marcelle.

5 REPLIES
New Member

Re: Identifying the source number

It would be a lot easyer to identify it with show call history voice brief. You should have 2 call-legs per call. One pstn and one voip.

New Member

Re: Identifying the source number

I used the command sh call history voice brief , but I cannot see who originated the call either. In the following example someone is calling the number 2609257(destination number), but I cannot see from which number this person is calling from(source number).

1E74 : 939924394hs.95806 +481 +1815 pid:0 Answer

dur 00:00:13 tx:428/8560 rx:369/14760 10 (normal call clearing.)

IP 13.136.249.17:18882 rtt:172ms pl:10480/0ms lost:0/1/0 delay:69/69/70ms g729r

8

1E74 : 939924395hs.95807 +480 +1826 pid:2 Originate 2609257

dur 00:00:13 tx:365/14600 rx:428/8560 10 (normal call clearing.)

Telephony 1/0:1 (95819): tx:14840/856/0ms g729r8 noise:-84dBm acom:-120dBm

New Member

Re: Identifying the source number

Oh... that's because your carrier does not forward clid (caller id) information. It's normal to be like that. Anyway, it seems to me that you have a security problem because the call is on pid 0, that's a default dial-peer wich is not ok, and anyone can send calls through your gateway... All you can see is that the originating ip is 13.136.249.17, but you should have specific dial-peers eventualy with tech-prefix to identify the carrier wich sent the call.

I strongly advice you to review you router configuration.

New Member

Re: Identifying the source number

We do not use Voip for external calls (through the carrier), only internal calls among sites.

Thanks anyway for your help,

Marcelle.

New Member

Re: Identifying the source number

then you can see the calling number by creating/using a proper application for your dial-peer

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