[cisco-voip] Cisco CM 4.2 with Cisco 2811 running IOS ver c2800nm-spservicesk9-mz.151-4.M4 connection to Nortel PBX 1000E

[Buchanan, James]

When you upgraded the router, did you also upgrade the DRAM to 512MB? If not, this will cause that symptom. Also, what is the exact release of code you are running? One more thing-could you send a router config? If it is an H323 gateway, you may be hitting the ip address authentication list.

Thanks,

James Buchanan| UC Technology Manager | Presidio South | Presidio Networked Solutions
12 Cadillac Dr Ste 130 Brentwood, TN 37027 | jbuchanan at presidio.com<mailto:jbuchanan at presidio.com>
D: 615-866-5729 | F:615-866-5781  www.presidio.com<http://www.presidio.com/>

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Harold G Penley
Sent: Monday, July 02, 2012 10:26 AM
To: 'cisco-voip at puck.nether.net'
Subject: [cisco-voip] Cisco CM 4.2 with Cisco 2811 running IOS ver c2800nm-spservicesk9-mz.151-4.M4 connection to Nortel PBX 1000E


We have 12 Cisco 7912 Wireless IP phones with CM 4.2(3)sr3a.  Our router is a Cisco 2811 running ver c2800nm-spservicesk9-mz.124-9.T7.  Calling to and from Nortel PBX phones are working fine.  We are moving to CM 8.xxx and need to update the IOS on the C2811 to ver 15.1.  When we upgrade to the new IOS with our current CM ver 4.2, we are getting calls from the Nortel PBX to the Cisco 7921, but we are not getting Cisco 7921 to Nortel PBX phones.  The Nortel phones will only flash for a split second and the C7921 will go to busy after two or three rings.

Harold Penley
Network Manager

McKesson Corporation
McKesson Provider Technologies/Managed Services
@ Cookeville Regional Medical Center
1 Medical Center Boulevard
Cookeville, TN 38501
931-783-2637 (Office)
931-783-5688 (Fax)
hpenley at crmchealth.org<mailto:hpenley at crmchealth.org>

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