UC Collabing – A blog on VoIP, Cisco, CUCM, CUC, UCCX, IM&P, Gateways, SME, Asterisk, Mediasense, WebEx, Lync, Skype for Business, IP Telephony, Voicemail, IVR, VMWare, SIP, H.323, MGCP, SCCP, ISDN, E1, T1, PRI.

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DRF Backup or Restore Failure CUCM or CUC

DRF Backup or Restore Failure CUCM or CUC You may at times receive an error “109-Unable to transfer the tar file over SFTP channel as currently configured SFTP server does not support output stream” while taking Backup or Restore in Cisco Unified Communication Manager or

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Installing or Upgrading to UCCX 10.6.1 SU1?

Installing or Upgrading to UCCX 10.6.1 SU1? Are you trying to upgrade UCCX from X version to 10.6.1 SU1 or doing a Fresh Install of 10.6.1 SU1? If yes, then be cautious about the error you may receive while installing or upgrading the UCCX Subscriber.

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Simulate PRI E1 T1 Calls

Simulate PRI E1 T1 Calls Don’t have a real PRI? Want to simulate E1/T1 PRI on your lab? If yes, then here is the solution. You need two routers, let’s say 2800 series router which has E1/T1 Card connected on each. One router would be

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Inbound and Outbound calls not working in H323 Gateway

Inbound and Outbound calls not working in H323 Gateway I have come across a situation where am unable to make inbound/outbound calls. Here is the call flowPSTN—VG-H323—MPLS—CUCM This is debug of the actual failed incoming call *Aug 9 06:10:03.923: //357/CCB999A780A0/CCAPI/ccSetMediaclassIp2ipTags:media class tags set: NR 0,

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Cisco Any Connect with DUO MFA

Cisco ASA – Cisco AnyConnect with DUO Multi Factor Authentication  Recently i though to deploy Cisco ASA in my lab and try Multi Factor Authentication with Cisco owned DUO app. After installing Cisco ASA and complete the basic configuration, i started with DUO configuration on

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Installing VMWare ESXi 5.X on bare metal

Install Vmware ESXI on bare metal VMware ESXi is a bare metal hyper-visor from VMware . ESXi is a software which has to be installed onto physical servers and on top of ESXi, Virtual Machines are installed/configured. Before installing ESXi, you need to follow the compatibility matrix

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CUCM, Cisco Unity Connection, UCCX Root Access

Get Root Access to your Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC) or UCCX. There are many advantages of having root access to the system but there are some dis-advantages also unless you know what you are doing with your root access. Root