In normal IOS if you want to enable telnet access, what you want to need is to configure under line vty and configure transport telnet: ...

After working over a year on IOS XR, I've found that it is not as difficult as initial thought, you just need to get used to the synt...

On ISRG2, in order to use cme-srst feature, just installing uck9 license is not good enough.  You also need to activate the cme-srst license...

Scenario: In this scenario there are 3 routers interconnected, with 3 VRFs namely Android, IOS and WP7 created.  VNET trunk is configured in...

Scenario:  In this test lab setup, there are 2 CM clusters and 1 CME and they are using SAF to advertise and learn their dial plan.  Both CM...

According to show mgcp , the default marking for MGCP signaling DSCP marking is AF31 (26): MGCP media (RTP) dscp: ef, MGCP signaling d...

They are more or less the same in the IPv4 world.  The only difference is, set dscp will work for I Pv4 and IPv6 and set ip dscp is for I...

Just labbing on the CME cBarge feature and got the error message "Failed to setup Barge" on the phone display.  The reason in my c...

You can block the CLID name or number on outbound VoIP calls from a dial-peer: dial-peer voice 911 pots   clid strip name ! Block CLID na...

After configuring UCM MGCP configuration, on router you can config the MGCP feature with ease.  There is a feature called "ccm-manager ...

My environment:  IOS 12.4(23)T3 advanced enterprise, 2821 When I try to config the MGCP using the ccm-manager config server, in "sh...

- Zone Prefix determines the routing TO a ZONE - Tech Prefix determines the routing TO a GATEWAY within a ZONE

To display calling name: interface serial0/0/0:15   isdn outgoing display-ie This display name is the "name" config in ephone...

The default behavior is in descending order (e.g. 15 -> 14 -> 13).  To change this behavior: interface serial0/0/0:15    isdn bchan...

By default any gateway can register with gatekeeper, and you can specify the subnet or hosts which are allowed to register to gatekeeper ga...

Hidden - debug gatekeeper main 10 - debug gatekeeper call 10 RAS - debug ras - debug h225 asn1

The previous blogpost discussed about the bandwidth calculation for each of the CAC method: http://pandaeatsbamboo.blogspot.com/2012/02/cal...

For some cases that you want to assign a static IP address via a Cisco IOS DHCP server, to make sure for that particular MAC address will al...

My environment:  CME 7.0 Barge (SIP) - use built-in bridge - max 3 parties - for SIP shared line only cBarge (SCCP and SIP) - SCCP octo-lin...

When you have started to work on CME, you will find that there are several types of shared DNs that is possible which allow great flexibilit...