Hi,Im using CUCM 12.5 and UCCX for call center.My users have Jabber + Cisco Finesse.Randomly, my agents do not hear customers from external calls who pass through UCCX.On debuging, I can see ports udp 4000 & 4001 denied on the network between agents ...

Hi,I use Cisco CUCM 12.5 with an MGCP gateway.Actualy, my calls randomly fails. Sometimes they work, sometimes not.I realized after looking in the debug logs, that the interface shuts down, and restarts. I don't know what that means.Any idea ? Thank ...

Hi, I recently set up our ESA to communicate with TLS but It seems some partners are no longer able to send e-mails to me. I have read this documentationhttps://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118955-Control-TLS-N...