The Cisco 2600XM models are based on the Cisco 2600 platform architecture, and extend the performance by as much as 33%. These models also increase default platform memory and provide increases in memory capacity at the same price points when compared to the current Cisco 2600 models. The XM functionality provides the same proven technology of the current Cisco 2600 Series platforms, including Cisco IOS software mainline feature support and the modularity of Network Modules (NMs), WAN Interface Cards (WICs) and Advanced Integration Modules (AIMs). Enterprises considering the Cisco 2600 for branch office applications should regard the Cisco 2600XM as the preferential platform for delivering high performing, flexible solutions to branch and remote offices.The CISCO2651XM-V-CCME comes with Module AIM-ATM-VOICE-30, Cisco IOS IP Plus, Feature License FL-CCME-MEDIUM for 48 IP phones.