i've got an request from an ISP for a cisco product but i really can't find a solution on Cisco web site or maybe i'm to blind to see what the product is?!!!

Product Description:

PGW 2200 Softswitch

MGC-X42K-AC216-2

PWG2000-UPG-TO-9.7.3

SFB22-upg-CC-9.7.3

SWP22-SIP-RTU

can anyone please help me define this product, i see its end of life but whats the successor of it?? thanks you...