The Cisco VG248 48-Port Analog Voice Gateway is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2010-06-01
End-of-Support Date: 2015-05-31
Cisco's End-of-Life Policy
You can view a listing of available Cisco VG Series Gateways offerings that best meet your specific needs
If you want support information for the Cisco VG248 48-Port Analog Voice Gateway documentation, it may be available through Cisco.com Search or in the Cisco Community