IP Telephony and Phones

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Upgraded the from P2V from 8.5 to 11.5 using PCD. worked fine. Now customer did not cut-over for some reason and 8.5 environment was updated as it was production setup. 3 months down the line i need to verify the delta and re-sync. what should be the...

n.shuja by Level 1
  • 671 Views
  • 3 replies
  • 0 Helpful votes

Requirement is to port the DID of ISDN to existing ITSP SIP trunk and route internally. This specific range requires to be called from certain numbers. (mean the trunk has to have specific inbound CSS vs other DID members which will have regular inbo...

n.shuja by Level 1
  • 1895 Views
  • 5 replies
  • 0 Helpful votes

I am just deploying a BE4000 (ISR4321). 1. We make the https://be4000.cisco.com/deploy settings on Cloud > users > phones > extensions > T1 > ISP send digits .., bar bar bar 2. Generate the code on Cisco Smart Account 3. Connect the g0/0 port to Inte...

E. by Level 1
  • 1341 Views
  • 12 replies
  • 0 Helpful votes

So i had incoming calls work before with a test number received from the provider. Today they changed the number on their end to what it's suppose to be and  incoming calls are now failing with message 500 internal server error and cause 16. Why is t...

Ansik by Level 1
  • 1315 Views
  • 8 replies
  • 0 Helpful votes

Does the "From" field have to contain both user and host part in order to make a successful call? For a particular intercom, when it call mobile the from field looks like this sip:sip@domain. Telco said since there is no number in user part, they do ...

yixiu0317 by Level 1
  • 825 Views
  • 3 replies
  • 0 Helpful votes

Can anyone point me in the direction for the COP file for V11.5(1)SU4 to resolve the Disk Utilization Denial of Service Vulnerability bug please as I am going round in circles!!!  I can fine the Release 11.5(1)SU4 at https://software.cisco.com/downlo...