Cisco has revamped its professional network design certification, Cisco Certified Design Professional (CCDP), to be more in line with the host of new services and applications that network pros ...

A similar diagram can be found in the Cisco Enterprise QoS Solution Reference Network Design Guide (SRND) version 3.3. Many newer servers and blade centers are coming with 10GE interfaces.

Cisco’s first generation of IP phones do not support RFC2833 DTMF-Relay. All digits are sent out of band in either SCCP or SIP signaling packets depending on the phone load.