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Lost IP address

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RFCOMM2K1

Technical User
Sep 11, 2019
3
US
Customer dropped me as a vendor after 19 years maintaining their PBX and helping them transition (partially) over to Cisco VOIP. NEC 2400IPX onsite with CPR 0 and CPR 1. There are two PRI tie lines connectin NEC to Cisco. All in/out trunking is on Cisco.
Almost two years later I received a call from them last Friday. They had a power failure that lasted 5 minutes and later the customer discovered that the NEC users (about 80) could not dial offsite. They can call station to station to Cisco users, they can access the Unity vmail, and can receive inbound calls from off site.
I went to site to check routing only to discover the MAT PC was dead. Was running PCPro SV8500 via IP connection. The documentation I left onsite for the IP connections was thrown away when the customer did housekeeping, and I ditched my copy about 6 months ago when it looked like I would never hear from them again. Besides, I assumed that after 2 years the rest of the users would be on Cisco.
Tried to set up a serial connection but the best I could get was a Read/Write error on port 0 of the first IOC.

Does anyone know what the default IP address is for IPX R17? I tried 172.16.253.10 as shown in PCPro user guide but that did not work.

Or does anyone know what this read/write error could be?
 
Do you have any idea what range the IP address is in? a trick I have used in the past is to set a computer up with a 255.0.0.0 mask and run a network scanner. It can take time but you will eventually find it!
 
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