IP Telephony and Phones

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vpn phone cisco

hello , i am working with a secure ip phone enviroment that use CTL files and im looking to implement VPN phones for teleworker users , what is the best practice secure configuration i need to implement it . i have asa 5512x firewall and i have the c...

Need VOIP QOS help for Cisco 2811

Hello,My eyes are crossed from reading so many docs on QOS.  I have a Cisco 2811 running CME, 10x1 connection to the Internet, SIP trunks to Callcentric running g729r8 and g711ulaw.  Phones are 7960's running SCCP.  Runs well except when someone is d...

ericw by Beginner
  • 397 Views
  • 3 replies
  • 0 Helpful votes

Resolved! Config loss after upgrading to 9.1

Hi Everyone,We just upgraded our CUCMs from version 8.6 to 9.1. The upgrade was successful but it looks like we lost some datas (User, Phones, Profiles, etc...). There was a week of dely btw the software installation in the inactive partition and the...

mightyking by Frequent Contributor
  • 408 Views
  • 16 replies
  • 0 Helpful votes

7800 Phone not getting ip address on Brocade Switches not reachable even with Static IP

Hi,While connecting Cisco 7800 Series Phone on the Brocade Switches, this particular model phone not getting the IP Address from the DHCP and i have tried to given static IP address as well but its not reachable. But when i connect the other all mode...

Is CME ready for 88XX phones

I have a customer who has many CME’s in the field and over the years have been using 79XX phones with SCCP. Now they are being pushed to 88XX phones using fastrack. I have been researching this and it looks to me lime 88XX phones are not fully suppor...

gene by Beginner
  • 193 Views
  • 1 replies
  • 0 Helpful votes