I have some 7945 phones that do not want to register with the 8.5.1 CM. I added the phone manually and the DHCP pool has the Option 150 set to the correct server. I did a factory restore on the phone and the phone started to download/upgrade the software from the TFTP server. then the phone shows up in the CM with "Unregistered" and i can click on the IP address in the CM and it takes me to the phone's webpage. But the phone screen toggles between "Registering" and "Configuring Unified CM List" not sure what to do at this point... i deleted the phone from CM and added it back in but that did not make a difference... I was able to get the phone to register with an older version (6.1.3) CM but it will not register with the new 8.5.1... I also have other 7945s that are currently working with 8.5.1.... so maybe this batch of phones that came from one of our other sites is bad... but unlikely... very weird and frustrating. Any advice is appreceiated. Thanks. Kamil
The issue was with the "Phone Button Template" I was using a bad template... So I just changed the Phone Button Template to use the default "Standard 7945 SCCP" template, then the phone registered with the CM... thanks for your help... it pointed me in the right direction.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
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[toc:faq]CUCM Database Replication is an area in which Cisco customers
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