Ho to Identify unique calls in voip log file..

Ho to Identify unique calls in voip log file..
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Ho to Identify unique calls in voip log file.. yogi 07-20-2007
Posted by yogi on July 20, 2007, 10:36 am
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Hi all,
I am trying to parse the Q931 logs. I want to identify the unique
calls in them
For example, see the following snapshot from one of the logs...

Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net 133806164: Jul 6
14:34:32.324: ISDN Se7/5:23 Q931: TX -> SETUP pd = 8 callref = 0x1F0F
Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net 133806165: Bearer
Capability i = 0x8090A2
Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
133806166: Standard = CCITT
Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
133806167: Transfer Capability = Speech
Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
133806168: Transfer Mode = Circuit
Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
133806169: Transfer Rate = 64 kbit/s
Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net 133806170:
Channel ID i = 0xA98384



Jul 6 14:34:50 dcaas5450.1.bw.dca.vantageip.net 133806903: Jul 6
14:34:50.856: ISDN Se7/2:23 Q931: RX <- SETUP pd = 8 callref =
0x1F0F

Jul 6 14:35:21 dcaas5450.1.bw.dca.vantageip.net 133808597: Jul 6
14:35:21.156: ISDN Se7/3:23 Q931: RX <- SETUP pd = 8 callref =
0x1F0F


                                                        Jul 6 14:35:25.068: ISDN Se7/5:23 Q931: RX <- SETUP pd = 8
callref = 0x1F0F
                                                                Bearer Capability i = 0x9090A2
                                                                        Standard = CCITT
                                                                        Transfer Capability = 3.1kHz Audio
                                                                        Transfer Mode = Circuit
                                                                        Transfer Rate = 64 kbit/s
                                                                Channel ID i = 0xA18381
                                                                        Preferred, Channel 1
                                                                Facility i = 0x9F8B0100A10F020


Jul 6 14:35:43 dcaas5450.1.bw.dca.vantageip.net 133809662: Jul 6
14:35:42.208: ISDN Se7/5:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
0x1F0F

Jul 6 14:36:25 dcaas5450.1.bw.dca.vantageip.net 133812164: Jul 6
14:36:25.076: ISDN Se7/3:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
0x9F0F

Jul 6 14:36:36 dcaas5450.1.bw.dca.vantageip.net 133813262: Jul 6
14:36:36.464: ISDN Se7/5:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
0x9F0F

Jul 6 14:38:22 dcaas5450.1.bw.dca.vantageip.net 133821523: Jul 6
14:38:22.093: ISDN Se7/2:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
0x9F0F


First I assumed that we can use the combination of PRI and callref
value to be unique. But in this case One TX call is overlapping with
one RX call having same callref (0x1F0F) and same PRI value
(Se7/5:23).... Now what to do in this case..?

thanks
Yogesh


Pure Networks
Posted by Someone on July 21, 2007, 4:36 pm
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The callref is unique for the duration of the call. The SETUP is the start
and the RELEASE_COMP is the end of it. After this, the callref can be
reused.


> Hi all,
> I am trying to parse the Q931 logs. I want to identify the unique
> calls in them
> For example, see the following snapshot from one of the logs...
>
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net 133806164: Jul 6
> 14:34:32.324: ISDN Se7/5:23 Q931: TX -> SETUP pd = 8 callref = 0x1F0F
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net 133806165: Bearer
> Capability i = 0x8090A2
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
> 133806166: Standard = CCITT
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
> 133806167: Transfer Capability = Speech
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
> 133806168: Transfer Mode = Circuit
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net
> 133806169: Transfer Rate = 64 kbit/s
> Jul 6 14:34:32 dcaas5450.1.bw.dca.vantageip.net 133806170:
> Channel ID i = 0xA98384
>
>
>
> Jul 6 14:34:50 dcaas5450.1.bw.dca.vantageip.net 133806903: Jul 6
> 14:34:50.856: ISDN Se7/2:23 Q931: RX <- SETUP pd = 8 callref =
> 0x1F0F
>
> Jul 6 14:35:21 dcaas5450.1.bw.dca.vantageip.net 133808597: Jul 6
> 14:35:21.156: ISDN Se7/3:23 Q931: RX <- SETUP pd = 8 callref =
> 0x1F0F
>
>
> Jul 6 14:35:25.068: ISDN Se7/5:23 Q931: RX <- SETUP pd = 8
> callref = 0x1F0F
> Bearer Capability i = 0x9090A2
> Standard = CCITT
> Transfer Capability = 3.1kHz Audio
> Transfer Mode = Circuit
> Transfer Rate = 64 kbit/s
> Channel ID i = 0xA18381
> Preferred, Channel 1
> Facility i = 0x9F8B0100A10F020
>
>
> Jul 6 14:35:43 dcaas5450.1.bw.dca.vantageip.net 133809662: Jul 6
> 14:35:42.208: ISDN Se7/5:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
> 0x1F0F
>
> Jul 6 14:36:25 dcaas5450.1.bw.dca.vantageip.net 133812164: Jul 6
> 14:36:25.076: ISDN Se7/3:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
> 0x9F0F
>
> Jul 6 14:36:36 dcaas5450.1.bw.dca.vantageip.net 133813262: Jul 6
> 14:36:36.464: ISDN Se7/5:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
> 0x9F0F
>
> Jul 6 14:38:22 dcaas5450.1.bw.dca.vantageip.net 133821523: Jul 6
> 14:38:22.093: ISDN Se7/2:23 Q931: TX -> RELEASE_COMP pd = 8 callref =
> 0x9F0F
>
>
> First I assumed that we can use the combination of PRI and callref
> value to be unique. But in this case One TX call is overlapping with
> one RX call having same callref (0x1F0F) and same PRI value
> (Se7/5:23).... Now what to do in this case..?
>
> thanks
> Yogesh
>



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