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

Cisco Jabber - Showing CUCM IP address in Phone services

Created by 00u1ekxnfxDBjqtOd5d7 on 08-04-2021 12:04 AM

Hello everyone, I have noticed in Cisco Jabber, phone services on the app it shows the CUCM server address, which is against the company policy, how this issue can be sorted and is there anyway to use OTP services to login?

UCCX Active Agents

Created by michalsabat on 08-03-2021 11:24 PM

Hi. I have many agents configured in UCCX and to be honest there is a little mess with them all. How could I get to know which agents are active and which are not? Is there any report to get these info or maybe a sql query that could I rut to ge... view more

Inactive Days of a 7925g or 8821 wireless phone.

Created by BrianThorpe2468 on 08-03-2021 05:34 PM

We are low on extensions and licenses so if some one has not used their 7925g or 8821 in 90 days we will take that extension. Is there a better way to find out how many days an endpoint is inactive for than entering in the MAC one by one in ISE and then f... view more

Outbound calls showing 408 temporarily unavailable

Created by SPoodari on 08-03-2021 02:10 PM

Configuring cipher on Unity Connection

Created by BiaMeslin on 08-03-2021 02:03 PM

For CUCM the document below has a list of "Recommended Ciphers" that can be set up From Cisco Unified OS Administration, choose Security > Cipher Management.https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/security/12_5_1SU3/cucm_b_security_gui... view more