09-05-2003 06:43 AM - edited 03-13-2019 01:29 AM
Team,
I have a customer who has multiple BRI trunks to the PSTN (used for outbound calling. Class 5 is DMS100).
The customer also has a number of DID on the callmanager side serviced by Analog DID Trunks (inbound to CallManger). When an IP Phone calls an external PSTN destination, the destination called party recevies the SPID of the BRI port as the Caller ID even though we are sending the actual DID as the source calling number (Shown below. Numbers changed to protect identity of customer):
Aug 29 21:09:22.867 UTC: ISDN BR0/1 Q931: TX -> SETUP pd = 8 callref = 0x21
Bearer Capability i = 0x8090A2
Standard = CCITT
Transer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0x81
Keypad Facility i = '1XXXYYY5126'
Calling Party Number i = 0x0081,'XXXYYY1771'
Plan:Unknown, Type:Unknown
The config on the BRI port is as follows (again SPID numbers changed by me):
!
interface BRI0/1
no ip address
isdn switch-type basic-ni
isdn twait-disable
isdn spid1 XXXYYY943000 XXXYYY9430
isdn spid2 XXXYYY943100 XXXYYY9431
isdn incoming-voice voice
!
The service provider has told us this is standard and typical as they are trying to protect toll fraud and has implications for 911 and some more reasons... I have to think this is incorrect. Anyone have any expierence here with this?
Regards....D
09-05-2003 09:25 AM
I've configured BRI ports using basic-net3, and the full DID is sent. However, i didn't need to configure spids, so that explains why for me.
Check the following link that might help:
09-05-2003 10:24 AM
Thanks for the info (I have already read that Tech Tip). I do appreciate the comments. Anyone in North America connected to a DMS 100 via BRI able to send PSTN callers the actual DID on the Cisco IP Phone versus the SPID?
Thanks in advance....Darryl
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide