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screening indicator

lorenz84gDD
Level 1
Level 1

Hello all,

I'm trying to change the ISDN screening indicator on a h323 GW. I need to do this since my provider required this action.

This is the trace:

Jul 13 10:10:57.403: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x02B1 
        Bearer Capability i = 0x8090A3 
                Standard = CCITT 
                Transfer Capability = Speech  
                Transfer Mode = Circuit 
                Transfer Rate = 64 kbit/s 
        Channel ID i = 0xA9839A 
                Exclusive, Channel 26 
 -->       Calling Party Number i = 0x2181, '12345' 
                Plan:ISDN, Type:National 
        Called Party Number i = 0x80, '67890' 
                Plan:Unknown, Type:Unknown
Jul 13 10:10:57.471: ISDN Se0/0/0:15 Q931: RX <- CALL_PROC pd = 8  callref = 0x82B1 
        Channel ID i = 0xA9839A 
                Exclusive, Channel 26
Jul 13 10:10:57.703: ISDN Se0/0/0:15 Q931: RX <- CONNECT pd = 8  callref = 0x82B0
Jul 13 10:10:57.703: %ISDN-6-CONNECT: Interface Serial0/0/0:24 is now connected to
00393465007852 N/A
Jul 13 10:10:57.707: ISDN Se0/0/0:15 Q931: TX -> CONNECT_ACK pd = 8  callref = 0x02B0
Jul 13 10:10:58.043: ISDN Se0/0/0:15 Q931: RX <- ALERTING pd = 8  callref = 0x82B1 
        Progress Ind i = 0x8488 - In-band info or appropriate now availabl

If we expand the hex value i = 0x2181 on the highlighted row, we get:

00100001 10000001 in binary

bit 1 and 2 counting from right to left are the screening indicator and should be set to 00.

Do you know how to change this without using the service parameter on CUCM?

thanks

Lorenz

------- have a look to my blog lgrconsulting.com
2 Replies 2

lorenz84gDD
Level 1
Level 1

Found the solution. It's not possible to change directly the parameter from the VG but it's possible from the CM.

------- have a look to my blog lgrconsulting.com

Hello,

What is the solution to change the ISDN screening indicator on a h323 GW?

Thanks