Outbound Caller ID is showing Unknown Number

Unanswered Question
Jul 9th, 2010

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We have a problem where when we call from our desk phones (CUCM) to 3G wireless phones, the wireless phone will receive caller ID as “unknown number”. We contacted our telco/PRI provider to check the digit that we are sending and it was ok.

Then we contacted AT&T and made some tests and found out that the “unknown number” is only happening to 3G wireless user and it is only for local number (7-digit dialing)

AT&T said that “The Calling Party Number parameter as it is sent in from the office number is not set according to standards. The Numbering Plan is Unknown and should be ISDN/Telephony. In addition, the Screening Indicator is Reserved - User Provided,Not Screened and  it should be Network Provided or "User-Provided - Screened and Passed”

Questions:

Is this some configuration in our system or with telco/PRI provider?

Thanks,

sienz

I have this problem too.
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Jaime Valencia Fri, 07/09/2010 - 14:18

You can set that under your PRI/H323 config and also using calling/called party transformation patterns.

Telcos can also override and change it, but you need to start by sending it correctly from CUCM

HTH

java

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sienz.sienz Fri, 07/09/2010 - 14:25

Thanks Java,

Any documentation on making changing on our gateway?

I just did debug q931 and here is the result if anyone can help: (Thanks)

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Jul  9 21:28:04.070: ISDN Se0/0/0:23 Q931: TX -> PROGRESS pd = 8  callref = 0xF865

        Cause i = 0x8181 - Unallocated/unassigned number

        Progress Ind i = 0x8188 - In-band info or appropriate now available

*Jul  9 21:28:06.798: ISDN Se0/0/0:23 EVENT: process_pri_call: call id 0xB725, number 2688622, Guid 0082A73AAE3E, speed 0, call type VOICE, redial No, CSM call No, pdata Yes

*Jul  9 21:28:06.798: ISDN Se0/0/0:23 Q931: pak_private_number: Invalid type/plan 0x0 0x0 may be overriden; sw-type 13

*Jul  9 21:28:06.798: ISDN Se0/0/0:23 Q931: pak_private_number: Invalid type/plan 0x0 0x0 may be overriden; sw-type 13

*Jul  9 21:28:06.802: ISDN Se0/0/0:23 Q931: Applying typeplan for sw-type 0xD is 0x0 0x0, Called num 2688622

*Jul  9 21:28:06.802: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8  callref = 0x376E

        Bearer Capability i = 0x8090A2

                Standard = CCITT

                Transfer Capability = Speech 

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98393

                Exclusive, Channel 19

        Calling Party Number i = 0x0081, '7028582580'

                Plan:Unknown, Type:Unknown

        Called Party Number i = 0x80, '2688622'

                Plan:Unknown, Type:Unknown

*Jul  9 21:28:07.054: ISDN Se0/0/0:23 Q931: RX <- CALL_PROC pd = 8  callref = 0xB76E

        Channel ID i = 0xA98393

                Exclusive, Channel 19

*Jul  9 21:28:07.054: ISDN Se0/0/0:23 EVENT: process_rxstate: ces/callid 1/0xB725 calltype 2 CALL_PROCEEDING

*Jul  9 21:28:08.798: ISDN Se0/0/0:23 Q931: RX <- PROGRESS pd = 8  callref = 0xB76E

        Progress Ind i = 0x8288 - In-band info or appropriate now available

*Jul  9 21:28:08.798: ISDN Se0/0/0:23 EVENT: process_rxstate: ces/callid 1/0xB725 calltype 2 CALL_PROGRESS

*Jul  9 21:28:08.830: ISDN Se0/0/0:23 Q931: RX <- DISCONNECT pd = 8  callref = 0x7865

        Cause i = 0x8090 - Normal call clearing

*Jul  9 21:28:08.830: ISDN Se0/0/0:23 EVENT: process_rxstate: ces/callid 1/0x4797 calltype 2 CALL_DISC

*Jul  9 21:28:08.830: ISDN Se0/0/0:23 Q931: TX -> RELEASE pd = 8  callref = 0xF865

*Jul  9 21:28:08.854: ISDN Se0/0/0:23 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x7865

*Jul  9 21:28:08.854: ISDN Se0/0/0:23 EVENT: process_rxstate: ces/callid 1/0x4797 calltype 2 CALL_CLEARED

Jaime Valencia Fri, 07/09/2010 - 18:19

H323
Call Routing Information - Outbound Calls

MGCP
Call Routing Information - Outbound Calls


On left hand from above there is CALLING party transformations if you need them as well.

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

auppal Sat, 07/10/2010 - 09:58

Its a telco issue show this to them

        Calling Party Number i =  0x0081, '7028582580'

                Plan:Unknown,  Type:Unknown

        Called  Party Number i = 0x80, '2688622'

                Plan:Unknown, Type:Unknown

if we send the calling party number no amount of config will fix this issue since we already send the calling number

asharsidd Sat, 07/10/2010 - 12:09

It's entirely possible that even sending calling party number the provider doesn't accept it if you are not sending the type. Please confirm from your provdier what type they would like to see.

HTH

sienz.sienz Sat, 07/10/2010 - 16:33

Thanks all for the input, especially Javalenc.

The Calling party Number that we are sending is correct according to our telco provider but AT&T (as the receiver) said that Screening Indicator and the Numbering Plan is not acceptable to their 3G network. AT&T also confirm that they receive a good phone number but the Screening Indicator and the Numbering Plan is not acceptable.

I will try changing it on Monday based on Javalence Document.

sienz.sienz Sat, 07/10/2010 - 17:53

Thank you for checking it and for the link p.bevilacqua.
I will verify it again on Monday.

I guess, it may come down to "The Numbering Plan is Unknown and should be ISDN/Telephony"

Also if the screening indicator is already correctly set, the telco may override it so I will need to check to our telco provider what they are sending.

Thanks again

sienz

Paolo Bevilacqua Sat, 07/10/2010 - 18:08

You will see that is easily solved.

What I do in similar cases, is to fix it from home during the weekend, then show up late at the office on Monday explaining how the issues took most of the day talking to telcos.

sienz.sienz Wed, 07/14/2010 - 09:34
We found the issue,  It is in the gateway.  Someone put this on interface Serial0/0/0:23, it is fixed after it is removed

isdn map address . plan unknown type unknown.

Thanks all

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