Collaboration, Voice and Video Blogs

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Sometimes you want to use Wireshark to capture packets On Cisco Meeting Server to troubleshoot and investigate video call issues, quality issues, or may be Expressway integration, WebRTC Connections, or why not, understand how the communication and the ca... Read More

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When we talk about Stun Protocol used for NAT traversal in voip environment, the common term used when talking about the Type of NAT that is compatible with Stun is “Full Cone NAT”, then when we explain why Turn Protocol is developped to replace Stun Prot... Read More

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From X8.11 of Cisco Expressway, a new concept of load balacing based on priority and weight instead of the round robin for better load balancing and probe is added to prevent the Cisco Expressway-C to sollicit a webbridge when it is down.Assume all the Ci... Read More

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Local Zone: This is a collection of all devices that are registered with Cisco Expressway. The local zone is divided to subzones. These subzones include the automatically crated default subzone and up to 1000 manually configured subzones. In addition, the... Read More

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Datacenter virtualization is the process of employing virtual hardware for designing, developing, and implementing the datacenters. It is often used as an umbrella term that entails different categories like application virtualization, server virtualizati... Read More

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Hiện nay trên thế giới có rất nhiều hãng sản xuất máy lọc nước ion kiềm đến từ Hàn Quốc, Nhật Bản, Đài Loan, Hoa Kỳ. Các thương hiệu với nhiều chủng loại với nhiều tính năng cũng như giá cả khác nhau không khỏi khiến người tiêu dùng đắn đo lựa chọn. Bài v... Read More

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When talking about Dial Plan and Digit Manipulation Cisco Unified Communication Manager, three components play an important roles to perform the transformation of the calling and called parties. The Translation Pattern, Transformation Pattern and Route Pa... Read More

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ICE, STUN, and TURN are used to establish a MEDIA connection between two devices on different networks separated by firewalls and NAT servers. They do not apply to signaling between devices which means that if you cannot establish a signaling connection b... Read More

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Learn about the All New Webex Events. Listen: https://smarturl.it/CCRS8E29 Follow us: https://twitter.com/ciscochampion The new Webex Events transforms your company meetings and corporate events with real-time online webinars and webcasts, expanding your ... Read More

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I noticed that this part of Cisco Meeting Server Implementation Certificate Requirement is not enough detailed in many documentations and videos. Understanding this part of Certificate Requirement is mandatory to set up the Cisco Meeting Server and config... Read More

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Firewall Traversal With Cisco Expressway Packet Flow. Firewall ASA-C, add an entry from Inside to DMZ , the source IP is 10.1.5.20 (Cisco Expressway-C) and the source port is 25006. The destination IP is 172.16.1.21 (Cisco Expressway-E) and the destinatio... Read More

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A long article about the dial plan and call routing logic on Cisco Meeting Server to demystify the three mains tables using SIP Trace and Wireshark: -Incoming Calls -Forwarding Calls -Outgoing Calls https://ipdemystify.com/2021/02/06/dial-plan-and-call-ro... Read More

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I share with Cisco Community a long article I wrote about Stun Turn and ICE for NAT Traversal demystified with chart flow for MRA and WebRTC with Cisco Meeting Server. https://ipdemystify.com/2021/03/13/stun-turn-and-ice-for-nat-traversal-demystified/ Read More

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Learn more about the new Cisco Webex Wireless Phone!Listen: https://smarturl.it/CCRS8E27 Follow us: https://twitter.com/ciscochampion Introducing the recently-launched WiFi enabled, ruggedized smartphones: The Cisco Webex Wireless Phones 840 and 860 deliv... Read More

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Cisco TelePresence CE Software Release Notes (CE8) What’s the difference between a multiway conference and an ad hoc conference? It’s the call control device. With a multiway conference, we’re using VCS. With an ad hoc conference, it’s Cisco Unified Commu... Read More

Latest Contents

CUCM Reports - Forwarding Destinations

Created by nic.bardea on 08-05-2021 10:56 AM

Does CUCM V12 have a report available to show me all DID's that are being forwarded from within the Director number configuration and within Remote Destination or Remote Destination Profile? System version: 12.0.1.21900-7

CUIC application cluster is not formed correctly

Created by VON CLAWSON on 08-05-2021 10:06 AM

Recently upgraded from 12.0.1 to 12.5.1 SU1. When logging in to CUIC getting the following warning. "CUIC application cluster is not formed correctly. Please refer to the Troubleshooting Cluster Configuration section in the CUIC Administration Consol... view more

can the ucm be configured to change return codes passed to a...

Created by David.ehlinger on 08-05-2021 09:37 AM

An 11.5 BE6000 is connected to a 2901 voice gateway with a SIP trunk, the BE6000 also is connected to a pbx via a SIP trunk. The 2901 gateway is connected to the PSTN via PRI. The BE6000 provides PSTN access to the PSTN though the 2901.When t... view more

Looking for assistance with CUMI API for Unity connection

Created by TimothyHillukka76137 on 08-05-2021 09:36 AM

Using an admin account with all roles assigned, I can do the following API calls with no problem:https://hapiptutypub.na.bestbuy.com/vmrest/users?query=(alias startswith timtest1)https://hapiptutypub.na.bestbuy.com/vmrest/mailbox/folders/inbox/messages?us... view more

Error install cucm 12.5

Created by Juraj Papic on 08-05-2021 09:21 AM

Hello, Im installing the cucm 12.5 and getting the error (pleas see attach) I downloaded the ova / iso from the cisco site.Thanks in advance for any help.