IP Telephony and Phones

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Hi Everyone,  I need your help to help me find a solution to this problem. How can I tackle the problem? Is there a way to see what makes the phone unreg.? NETWORK SCHEME CUCM---HQ---Firewall (not asa)----Internet-----ipsec VPN on Router 881--- Swit...

Having cluster wide static complaints on our CUCM network.  Running version 10.5 LEC is pointing to the MPLS network.  The complaints seem to be intermittent in nature and happens with inbound calls.  We have done troubleshooting with Verizon and wan...

Hi, I would like to ask if this is doable and what is the best approach. Scenario: Two (2) UCS C200 Servers with ESXI 4.1 installed VM Installed on First Server: 1. CUCM 10.5 (Publisher) 2. IM and Presence 10.5 3. Unity Connection 8.6.2 VM Inst...

Resolved! CUE Install stuck

Hi All, I was trying to upgrade CUE to 8.6.11. I have put the connectivity config on CME: interface ISM0/0 ip unnumbered BVI1 ip flow ingress service-module ip address <CUE IP> 255.255.255.0 service-module ip default-gateway <CME IP> no keepalive h...