Rob Huffman Wed, 05/19/2010 - 05:35

Hi Nareh,

The 7921G cannot be added to CCM 4.0 versions If this is 4.1 or 4.2

let us know and we can fix you up.

Protocol support
• Skinny Client Control Protocol (SCCP)
Cisco Unified Communications Manager Versions 4.1, 4.2, 4.3, 5.0, 5.1, 6.0, 6.1, 7.0, and later
• Cisco Unified Communications Manager Express Version 4.1 and later
• Cisco Unified Survivable Remote Site Telephony (SRST) Version 4.1 and later



Please support CSC Helps Haiti Fri, 05/21/2010 - 23:03

Following are the callmanager details.

Cisco Unified call manager version : 4.2 administration

service release :

System version : 4.2(3)

cisco unified call manager administration version : 4.2(2)

cisco unified call manager installation ID : CCM 4.2(3)

The callmanager is 4.2. But the 7921 device is not comming on Device > Phone. I am interested in installing only device pack so that the 7921 name comes. I want to know what device pack should i install. also i want to know whether device packs and CCM Patch/service releases are inter related or not. Kinldy suggest what device pack should i install




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