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Category Archives: CUCM

Secure Connection Failed CUCM/CUC/UCCX

Secure Connection Failed CUCM/CUC/UCCX If you are using Firefox you may encounter an error “Secure Connection Failed”, An error occurred during a connection to X.X.X.X:8443. SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key) when you try accessing

Force Cisco IP Phones to Fall into SRST Mode

Force Cisco IP Phones to Fall into SRST Mode Are you planning to do SRST Testing to ensure that Cisco IP Phones falls back into SRST Mode when there is a WAN Link failure? It is not recommended to plug out the WAN Link or

Busy Lamp Field – Speed Dial

Busy Lamp Field – Speed Dial What is BLF (Busy Lamp Field)?¬† The BLF feature allows a user to monitor the real-time status of another user at a directory number or SIP URI from the device of the watcher. Let’s say User A wants to

Error while restoring CUCM, CUC or UCCX

Error while restoring CUCM, CUC or UCCX Have you ever face an issue “ERROR: At least one of the servers which was requested to be restored is not connected: CCX-PUB. This may be due to Master or Local Agent being down., Restore Completed…” while restoring

Cisco Time of Day Call Routing CUCM

Cisco Time of Day Call Routing CUCM Time of Day Call Routing in Cisco Unified Communication Manager (CUCM) is design to route calls based on the time of day or day of week or month. It can be designed and configured in such a way that

Basic SRST Configuration (SCCP only)

Cisco SRST Configuration Survivable Remote Site Telephony (SRST) – It is a call processing backup mechanism that allows Cisco IP phones to register to a Cisco router locally during a WAN Failure. Let’s say you are connected to your Headquarter Site A remotely via Site

Check Database Replication CUCM Cisco

Check Database Replication CUCM Cisco I am sure most of you knows how to check Database Replication on Cisco Unified Communication Manager or Cisco Unity Connection. If you don’t know how to check Database Replication, this post will be helpful for you. The below information

Busy or Unavailable Greeting – Unity Connection

Hello All, I received a request from one of my blog follower on Unity Greetings for Busy and Unavailable Recording. Below is the query. “We have CUCM v10.0 integrated with Cisco Unity. The requirement is – In case the customer knows the extension and dials

Codec Mismatch – How to troubleshoot with CDR Report

Codec Mismatch – How to troubleshoot with CDR Report We know there are various ways of troubleshooting issues related to codec but how do we troubleshoot if we do have access to CDR Reports only? Well, get the Calling Party Number, Called Party Number, Date

Claudio Quiroz Cabello

Electrical Engineer CCNA Collaboration CCNA Voice CCNA R&S. I'm Electrical Engineer and I work like Support Engineer for a Telephony Service Provider Company. Before that I had position like Pre-Sale Engineer about small and medium multivendor telephony solutions. I have 5 years of experience working in Telephony Multivendor Projects. I am also 3 years of experience working in Support and implementation about Cisco Collaboration platforms: UCS server, UCM, Cisco Unity, Presence Server, Jabber, Gateway. Support Community is most useful in finding design, implementation and support tricks and shortcuts that greatly help me in my daily activities. If you need to contact me, please you can writte me.

Kanishka Singh

CCNA Routing and Switching
Am a technology enthusiast. I work in network support providing support with implementation, maintaining and precisely troubleshooting the infra.
Realm of collaboration makes me want to learn and face new challenges more and more.

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