IP Telephony and Phones

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What does the IP PIM Sparse-mode command do under a Serial Interface? We have PRI connected to the serial interfaces. In our Voice GWs, I see the IP PIM Sparse-Mode is configured under Serial Interfaces but don't understand why. Doesn't it have to be...

  We just installed CUCM 8.6(1a) on our servers.  When I go to CM server group from system my to subscriber servers are not showing up.  I've checked that I can ping the servers and resovle them by host name.  I've also checked the database replicati...

Resolved! IP Phone DHCP

Currently, phones are on vlan 1 and getting a dhcp address.  I want to change this and move them to a new vlan - vlan 5.  I have done the following:1) Setup the new scope on the dhcp server2) Setup the vlan on the switche(s)I reset the phone via Call...

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As part of its strategy to enable organizations to improve business collaboration and communication, Cisco today unveiled a host of new offerings designed to make it easy for anyone to be a video producer. Customers now have new ways to create and co...

CUCM 8.5SU1Using Device/Line Approach.  (Allow all at device, block at the line)Patterns are all the stand ard 9.1[2-9] etc. (LD)   9.011# INT, etc.I put in a System wide block partition that references a Route Filter for fraud with 9.@It works perfe...