IP Telephony and Phones

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Hi,I have a new IP phone 6921 , S/N: PXN160703GL, that will be configured with a CallManager express version 4.1, but after configuring the IP address, the Tftp server and the DNS in the IP phone an error message was displayed in the Phone screen ind...

Hi everybody.Please consider the following example:Let say we have CM group called AZ group.This group has following CM in the order listed below:CM1 199.199.199.1CM2 199.199.199.2CM3 199.199.199.3Let suppose we want to turn on auto-registration for ...

sarahr202 by Level 5
  • 320 Views
  • 4 replies
  • 0 Helpful votes

Hi,User devide profile has 25 speed dials configured. When user logged in on IP phone 7975G, the phone display shows the first 6 speed dials configured. But the expansion module display is blank and blue in colour. not showing any speed dials.Can som...

poppeyrock by Level 1
  • 6447 Views
  • 17 replies
  • 0 Helpful votes

Hi, we've got a client that is running a very old CCME (version 4.1) with Unity Express (version 2.1) who are experiencing several issues.The hardware platform is an ISR 2851 so were looking to upgrade them to CCME version 7.1My question is, can we l...

andy_4578 by Level 1
  • 3985 Views
  • 7 replies
  • 0 Helpful votes

Hi everybodyhttp://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_5_1/ccmsys/a02tftp.htmlA quote from the linkThe device requests a configuration file from the TFTP server. The TFTP server searches three internal caches, the disk, and then alter...

sarahr202 by Level 5
  • 257 Views
  • 2 replies
  • 0 Helpful votes