Caller ID problem on CM 6.1

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Jun 12th, 2009
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I having problem with Caller ID for outbound call. The setup is I have two SRST site with central call Manager, every user have there own DID number. From one site I am having problem that whenever the user called outside it shows reception desk number but for inbound calls it works fine. Any idea?


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parshah Fri, 06/12/2009 - 15:47
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Can you verify the following

1. External phone number mask has been set for the user device.

2. The route pattern/route group/route list have the 'External phone number mask' checkbox marked.

3. If the above 2 are fine, please confirm on the PSTN gateway by running q.931 debug that proper calling party number is being sent.

If all these are fine than its telco who is overwriting it and you will have to work with your telco to fix that.


mohammed.rahman Wed, 07/08/2009 - 07:42
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Yes, external phone number mask and in the route pattern External phone number mask is cheked. Here is my debug:

Bearer Capability i = 0x8090A2

Standard = CCITT

Transfer Capability = Speech

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98397

Exclusive, Channel 23

Display i = 'John'

Calling Party Number i = 0x0081, '408575xxx'

Plan:Unknown, Type:Unknown

Called Party Number i = 0x80, '1718796xxxx'

Plan:Unknown, Type:Unknown

*Jul 8 15:06:43.733: ISDN Se0/0/0:23 Q931: RX <- STATUS pd = 8 callref = 0x8002

Cause i = 0x82E3 - Information element not implemented

Call State i = 0x01

*Jul 8 15:06:43.773: ISDN Se0/0/0:23 Q931: RX <- STATUS pd = 8 callref = 0x8002

Cause i = 0x82E46C - Invalid information element contents

Cause i = 0x82AB6C - Access information discarded

Call State i = 0x01

*Jul 8 15:06:43.785: ISDN Se0/0/0:23 Q931: RX <- CALL_PROC pd = 8 callref = 0x8002

Channel ID i = 0xA98397

Exclusive, Channel 23

*Jul 8 15:06:44.929: ISDN Se0/0/0:23 Q931: RX <- DISCONNECT pd = 8 callref = 0x3851

I am using MGCP gateway.


Jaime Valencia Wed, 07/08/2009 - 07:55
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If the setup message you send has the right calling party then call telco, they must be changing the IE to your main number and that's something they need to change.

That setup message is the last thing you have control over, any changes between your GW and called party are responsibility of telco.



if this helps, please rate


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