IP Telephony and Phones

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Hi, We have plenty of Cisco CP-7821 phones, and our organization want to implement a open source Elastix Software (v2.5). i have installed the system and configured it, but can't configure the telephones to connect to it. the phones keeps telling me ...

samnasser by Level 1
  • 801 Views
  • 2 replies
  • 0 Helpful votes

Hello community,   I have to configure a FXS port for a parlofoon, this a analog device close to a door which enable to ring a bell and user inside the office can remotely open the door.   I have configured this FXS port, but enduser told me if someo...

Schpice by Level 1
  • 432 Views
  • 0 replies
  • 0 Helpful votes

We are currently running CallManager 11.0 and have a couple of questions:   1) Our DID number are 284-xxxx and 457-xxxx.  Our directory number are setup as 5-digit extensions - 4xxxx and 7xxxx.  Who converts the 7-digit number to 5-digits?  Our phone...

dtom by Level 1
  • 757 Views
  • 4 replies
  • 0 Helpful votes

Hello,  We are installing a brand new ATA190 in our VOIP network based on CUCM10.5 but when I go to the web interface for the ATA I see a Reccovery Firmwarev1.1.0(000) asking for a file to upgrade firmware.  I tried uploading the .COP files we have i...

panregitt by Level 1
  • 1530 Views
  • 5 replies
  • 0 Helpful votes

  I have a remote site telling me their phones, main line on 6 phones, chirp briefly. Using call reporting tool, I can see the DN gets a 1 second ring. It looks to be from Unity, but I have no idea why. They tell me they don't have any voicemail mess...