Following are useful parameters to be changed all in one go:
Enterprise Parameters:
Auto Registration Phone Protocol = SCCP << Very Important if this is SIP then all your phones will load SIP firmware
Connection Monitor Duration = 10 << Default is 120, by minimizing the time duration, you can speed up your the process of your phones falling back to Primary Call manager from SRST
Phone URL Parameters = Change the hostnames to IP addresses << If this is not done then many phone services will not be accessible.
Service Parameters:
T302 Timer = 5000 << Interdigit time-out
G722 Codec Enabled = False
Stop Routing on Unallocated Number Flag = False
Max Forward UnRegistered Hops to DN = 2
Transfer On-hook Enabled = Enabled
Forward No Answer Timer = n
Default Inter-Presence Group Subscription = Allow Subscription
CUP PUBLISH Trunk = <SIP TRUNK for CUPS server>
Device Name of GK-controlled Trunk That Will Use Port 1720 = GK-Trunk
Intraregion Audio Codec Default = G729 << This is Important for Gatekeeper calls
Built-in Bridge = Enable
Message waiting Lamp Policy = Primary Line – Light and Prompt
Preferred G.729 Millisecond Packet Size = n ms
Allow TCP Keepalive for H323 = False
Allow peer to preserve call = True
Call Park Reversion Timer = n
n= any value as per requirememt
wonderful Job Ashar.Although I know most of them.Any idea about new lab topic what is covering .
Thanks Azhar.
I don’t know about new or old topics, every lab covers Cisco CCIE Blue Print.
http://www.cisco.com/web/learning/le3/ccie/voice/lab_exam_blueprint.html