Install CCM on Cisco Routers

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I have two Cisco 2611xm and 2620xm routers and two Cisco Unified IP Phones 7942G.

What should I do and which iOS do I require to install Cisco Call Manager (CCM) and make one IP Phone ring the other?

Please guide me.

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Answered By 0 points N/A #105650

Install CCM on Cisco Routers

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To fix up your first problem you have to install Cisco IOS 12.3 Mainline is the last release train to support the Cisco 2611xm and 2620xm routers.

For your second solution you have to follow that

When you are configuring dial peers or ephone-dns, including park slots and conferencing extensions, on Cisco Integrated Services Router Voice Bundles, the following message may appear to warn you that free memory is not available:

%DIALPEER_DB-3-ADDPEER_MEM_THRESHOLD: Addition of dial-peers limited by available memory

To configure more dial peers or ephone-dns, increase the DRAM in the system. A moderately complex configuration may exceed the default 256 MB DRAM and require 512 MB DRAM.

Note that many factors contribute to memory usage, in addition to the number of dial peers and ephone-dns configured.

 

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