Mobile Remote Access (DNS entries)

When configuring MRA most conmanly asked question ,”what entries we need on DNS”. Below example i use Dual nic configuration with Dual Domain(internal and external different domain) Infrastructure details Domains:- Internal Domain:- abc.local External Domain:- abc.com Server:- CUCM IP addresses:- 192.168.10.10 HostName :- cucm.abc.local IM Presence address:- 192.168.10.11 HostName :- im.abc.local Expressway C address :-…

Web Client With Expressway – DNS Entries

When deploying webrtc , Most commonly asked question is regarding the entries required on both internal and external DNS. Required Internal DNS:- A Record join.mydomain to webbridge IP’s Srv _cms-web._tls. join.mydomain to webbridge FQDN _xmpp-clinet._tcp.mydomain to XMPP FQDN Required Public DNS:- A Record join.mydomain to Expressway’s IP

Links to Cisco UC Tools

Have you ever thought of place where you get links to all Cisco UC tools. I am trying to make such a place, link to all UC tools with a small brief . I will keep updating the list and if i miss something let me know… Cisco Commerce Workspace (CCW) is a web-based, integrated…

CUCM 14 Fresh Install with Data Import

With CUCM version 14, migrations will be much more easier as it support data import from old cluster during fresh install. Supported Old cluster version are 10.5 / 11.5 / 12.5 / 14. You  can consider this option when You don’t want to do direct refresh upgrade to 14, but that is the only direct…

Call Manger Touchless VM Installation

When deploying UC application one thing i hate is all that questions which i need to answer during the installation through the console. When going through some presentations i found something inserting called “Touchless VM installation from CUCM” . This feature got introduced from CUCM version 10.5.2 and i think i am the only one…

SIP Network Elements

A SIP network uses the following components: SIP Proxy Server-The proxy server works as an intermediate device that receives SIP requests from a client and then forwards the requests on the behalf of the client. Proxy servers can provide functions such as authentication, authorization, network access control, routing, reliable request retransmission, and security. Redirect Server-The…

Intelligent Proximity

Cisco Intelligent proximity allow us to connect, control, share content with Cisco Video devices wirelessly. If we go through the proximity data sheet we see two terms, one is Intelligent Proximity for Mobile Voice and second Intelligent Proximity for Content Sharing. Is it the same ? The answer is NO. Whats Intelligent Proximity for Mobile…

Virtual LAN (VLAN)

What is a vlan ? Virtual Lan separate an exiting physical network into multiple logical network. Thus each vlan create separate Broadcast domain. Configure a Vlan ASSW#conf tASSW(config)#vlan 10ASSW(config-vlan)#name DATA Assigning Vlan on an Access port We all are familiar configuring vlan on an access port using vlan-id. But From ios version 15.2(3)E2, Cisco IOS XE…

Mobile And Remote Access (MRA)

Cisco Unified Communications Mobile and Remote Access (MRA) is part of the Cisco Collaboration Edge Architecture. It allows endpoints such as Cisco Jabber to have their registration, call control, provisioning, messaging and presence services provided by Cisco Unified Communications Manager (Unified CM) when the endpoint is outside the enterprise network. The Expressway provides secure firewall…