Cisco 2900 Series can offer 2 or 3 GE ports with 1 SFP ports, 4 EHWIC Slots, 2 SM slots with 1 SIM slots, and 3 DSP slots. In addition, their RAM and Flash Memory are scalable, maximum 2.5G RAM and 8G flash. The 2900 Series also can offer voice function, support at least 16 to 250 phones. The Cisco 2900 Series can deliver virtualized applications and highly secure collaboration through the widest array of WAN connectivity at high performance that offers concurrent services at up to 75 Mbps.

CISCO 2901/K9 ROUTERCisco 2901 router w/2 GE,4 EHWIC,2 DSP,256MB CF,512MB DRAM,IP Base
CISCO 2911/K9 ROUTERCisco 2911 router w/3 GE,4 EHWIC,2 DSP,1 SM,256MB CF,512MB DRAM,IPB
CISCO 2921/K9 ROUTERCisco 2921 Router w/3 GE,4 EHWIC,3 DSP,1 SM,256MB CF,512MB DRAM,IPB
CISCO 2951/K9 ROUTERCisco 2951 Router w/3 GE,4 EHWIC,3 DSP,2 SM,256MB CF,512MB DRAM,IPB