There is a timeout happening - 005208: Feb 5 2019 19:27:51.034 UTC: %VOICE_IEC-3-GW: SIP: Internal Error (ACK wait timeout): IEC=1.1.129.7.66.0 on callID 1180 GUID=EE74742F28B211E98551D21BBC9A1796 005209: Feb 5 2019 19:27:51.035 UTC: //1180/EE74742F8551/CCAPI/cc_api_call_disconnected: Cause Value=102, Interface=0x7F63D8CBBEA8, Call Id=1180 005210: Feb 5 2019 19:27:51.035 UTC: //1180/EE74742F8551/CCAPI/cc_api_call_disconnected: Add "debug ccsip message" to your existing debugs and make another test call. ... View more

AFAIK the requirement is still the same. If you are splitting the CUBE's across DC's, you cannot use HSRP. You could have an ACTIVE/ACTIVE CUBE deployment where the CUCM will be responsible for failover etc. ... View more

Not sure why would you buy a BE6k for 60 users only. If that is the case though, look into a CME/CUE bundle running on a ISR-4k box. If you have a virtual environment, you can deploy a vCUE for the voicemail bit. Also, you could look into BE4k for a cloud based management. ... View more

Do you have SRST or CME-as-SRST configured ? With SRST, phones do not get config file from the SRST router. ... View more

What happens when you swap the lines ? Do the slips follow the line or stay confined to the port irrespective of which line is plugged in ? Also, from a Telco perspective are both the lines in their own clocking domains or is one primary while the other is secondary ? ... View more

Have you reviewed documentation on this ? Have you reached out to a Partner for licensing queries etc ? ... View more

CUC integrates with CME just fine - SIP or SCCP what ever is preferred. https://www.cisco.com/c/en/us/products/servers-unified-computing/ucs-e-series-servers/index.html https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/unity_exp/rel9_0/install/cue_install_book/cue_virtual_support_for_kvm.pdf ... View more

You cannot have VM natively on CME. You need a CUE running on either of the following - 1. vCenter 2. UCS-E modules 3. Service Container If you have a lot of users and can justify cost for CUC, you can use that as well. ... View more

If the VG is registered as MGCP or SCCP on CUCM, you can run report/find on there to view the extensions etc.     ... View more

They both are very different products and cater different audiences & req. CMS is more of a on-prem conferencing solution, can be utilized as a CFB through CUCM, required for O365 interop (A/V/content) and dual homing etc. I don't see CMS being EoL'ed in the very near future. I don't see a replacement for this in the current product portfolio. CMS is being pitched and recommended as a replacement for what I would call previous gen solutions like TP/vTP, conductor, MCU etc. Curious though, what brings up this question in the first place ? ... View more

First thing, there is no requirement for trust list in your scenario since you already have a dial-peer with that IP address. It get's automatically added to the IOS trust list. Can you add "deb voip vtsp all" , "debug vpm signal" and "debug voice cc inout" and make a test call ? ... View more

For LLDP, define the vlan within a network policy. On the interface, reference this policy and enable LLDP TLV to be network policy. Review the Cat4k admin guide. ... View more