Dishko Hristov

Dishko is one of Stack8's expert Cisco Unified Communications Consultants. He works with clients everyday bringing them innovative solutions to their everyday UC challenges.

Recent Posts

Jabber Before and After iOS 10 - Apple Push Notifications Support

Posted by Dishko Hristov on Feb 6, 2017 8:50:10 AM

Apple is scheduled to introduce in its next major iOS release (after iOS 10 anticipated September 2017), a significant change that removes APIs that are required for handling calls and IM’s when the application is running in the background. What this means  is that if Jabber is not opened in the foreground, the user will not be notified of incoming calls and IM messages.

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Topics: Jabber, CUCM, Cisco Unified Communications Manager, iOS, Apple

Configuring Business-to-Business SIP URI Dialing with Cisco Expressway

Posted by Dishko Hristov on Jul 7, 2016 8:30:00 AM

 

If you already have Cisco Expressway MRA and SIP URI dialing activated in your Cisco Unified Communications environment, then you should seriously begin to think about activating another very key feature within Cisco Expressway: Business-to-Business dialing.

This feature will bring your collaboration with your partners and customers to whole new level; allowing you to have audio and video calls with them as seamlessly as you do with your coworkers.

A big part of the configuration process for B2B calls is deploying public DNS SRV records that will allow your partners and clients to call you using your corporate domain.

Assuming you have all necessary ports on the firewall already opened.  The following will take you through the steps required to effectively configure the B2B SIP URI dialing feature within Expressway.

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Topics: Expressway, Weekly UC Tips, How to(s), URI

Activating SIP URI Dialling into a Cisco UC Environment: Step by Step

Posted by Dishko Hristov on Jun 2, 2016 11:30:00 AM

 

"The Future of Cisco UC: The URI Advantage" was a recent post that explained URI and the advantages of using it in your Unified Communications Environment. A directory URI is the abbreviation of Uniform Resource Identifier and its directory format is similar to an email address (username@host) where the host portion is an IPv4 address or a fully qualified domain name. One of the main advantages that was outlined  in the above article was that by adding SIP URI integration in your dial plan or at least a URI directory adds significant flexibility.  .

The following post, we take you through the step-by-step to setting up and activating URI dialing within a Cisco UC environment from mapping the Directory URI address to an email address to modifying display preferences.

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Topics: Cisco Unified Communications Insights, How to(s)

Troubleshooting  Cisco Jabber: "cannot communicate with the server" error when using MRA via Cisco Expressway

Posted by Dishko Hristov on Mar 3, 2016 8:00:00 AM


More and more companies these days have mobile workforces: teams that work on the road or who have the ability to work from home. To help maximize efficiency and to make this mobility seamless to the individuals and the rest of the team Mobile and Remote Access (MRA) via Cisco Expressway is the key. Being able to use Cisco Jabber and IM&P help bring mobile collaboration to another level. However, there are times when this seamless mobility runs into a snag and an error occurs; one of the most common errors while using Jabber in MRA mode via Cisco Expressway is "cannot communicate with the server". Today's tip is about how to effectively troubleshoot this problem. 

PROBLEM

Cisco Jabber login error when trying to communicate using Mobile and Remote Access via Cisco Expressway: "cannot communicate with the server".

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Topics: Weekly UC Tips, cisco jabber, cisco expressway

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