Call Forward All setup problem between ISDX and CCM
We have got an ISDX PABX connected to CCM 4.2 by DPNSS-Westel-QSIG connection (DPNSS from ISDX, Westel protocol converter, QSIG into CCM). The VG with E1 QSIG interface is Cisco 2800. Everything works fine except when an ISDX extension tries to setup CallFarwardAll to an extension in CCM. The setup fails with the the fault message on the ISDX. When I make an ISDN trace in the VG (see below) I can see that the VG accepts the procedure and sends back RELEASE signal with "Normal release" cause. Which it interpreted wrongly by ISDX or Westel and the procedure fails. Does anybody have any idea if there is any way around it? Did anybody try to connect CCM to ISDX via Westel DPNSS/QSIG converter?
Re: Call Forward All setup problem between ISDX and CCM
ISDX engineer could not answer your questions strait away - he probably did not understand them or did not want to understand them. But he has forwarded a piece of his trace of this failed transfer. Here it is:
acknowledgement from ISDX < V01937 CRM/CIM 048;
disconnect from Cisco > V01937 CRM/CIM 048;
sub part of call (last digit) < V01937 SSRM(I) 0
start of call V=Virtual < V01937 ISRM(I) 10;*1#*50*73222962#*18*31*31*31#*19*O#*30B#489
call set up starting with a *30B which is DIV-V Diversion-Validation
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