Hi,
You have it about right. It may really not be available on the 5ESS you connect to, though. I think its an optional feature on many switches. The text yuo quote makes it sound like a cost option on this one.
What goes in the RDNIS field is rather variable. On a Hua Wei switch I could choose from a fairly long list of things. For them it seems to be a place to stuff any extra info you want :-)
If you are mere customer of the mighty powerful telco, and they say you can't have an RDNIS field, then I guess you can't have it. The only times I have seen the field populated is when working fairly closely with the operator of the switch, and it was custom configured for me.
Regards, Steve
Michael B. Murdock wrote:
Michael, I have asked a very similar question over the past week and gotton no answer... Seems like no one here knows much about it...or just doesn't want to wade in..
Here is what I have found out so far. The RDNIS field should be populated with the ISDN PRI Redirecting Number Information Element *IF* your PRI provider has that option turned on. Different switches handle this option differently. In our case the switch is a Lucent 5ESS and our provider was told by Lucent that this feature is not available (BS). After more research, reading the ISDN Spec (http://www.itu.int/rec/recommendation.asp?type=folders&lang=e&parent=T-REC- Q.931) and the AT&T version of the spec (http://www.att.com/cpetesting/pdf/tr41459_99.pdf - See part III Section 3.6.6.7 Redirecting Number), and speaking with a knowledgable switch tech as a lab we use we where able to determine that on the 5ESS this option could be enabled (page 5.1 Field 152 STDRNSRC=YES, Requires Secure Feature 161 enabled) but that this may require that your provider purchase a feature (or feature pack) that they may not have enabled.
All this being said we are still waiting to get this enabled so we can start testing with it.
I suspect that you are in a similar situation. You may need to become a bit of an ISDN expert in order to explain to the switch tech specifically what option you want enabled... Start with the references above, find out what switch you are connected to and go from there.
-- Mike
I'm trying to use RDNIS with asterisk, and I don't appear to be
receiving any information (the value is blank). The upstream who
provides the PRI says they are passing all the info through, I don't see
this value coming across. I've tried it with a Verizon call forward, as
well as a Nextel with the same results for both. I'm trying to use this
for Voicemail. I'm using CVS-HEAD-10/16/04, any advise or pointers would
be appreciated. I get the called from fine, and it puts the forwarded to
number as the called to, the RDNIS value is blank.
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