IP Telephony and Phones

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upgrade cucm 4 to 9.1

Dear All  I have three server (one publisher and two subscribers) , i would like to upgrade CUCM from 4.2 to 9.1 to two UCS 7000 business edition M3 , and i read Jump-flash cut steps to UCS pdf , my Questions : - to upgrade three servers publisher an...

CUCM 9 Directory

Hi all,I have a CUCM v9, connected and synchronized with Microsoft LDAP correctly. When I hit the Directory Button for the first time, It take a long time to respond to my request, and after that I can get response quickly. I'm asking if there is som...

ISDN-1-NOMEMORY issue

 HiWe have a 2921 ISR G2 Router with 6 E1 Cards and Total number of 56 Dial-Peers active on it and 512 MB of Ram.The IOS Version is 15.2(4)M4 and there’s a PVDM3-256 installed on it. Some days ago the router reloaded accidentally at the end of the wo...

sahar.ami by Beginner
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ATA 186 supported on 9.x?

Hi all,According to this (http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/compat/ccmcompmatr1.pdf ) the ATA 186 are only supported up to CUCM 8.0. Is this simply outdated information, or is ATA 186 really no longer supported in anything newer?Than...