Eslam Rizk
Hi, I'M

Eslam

Collaboration & Contact Center Engineer

I design and build scalable communication systems that power modern organizations.
Combining infrastructure expertise with clean code to deliver reliable, efficient, and user-focused solutions.

Blogs

Build Better Products with Insights & Inspiration.

Practical insights and real stories to guide your product from vision to reality.

Search
Product analytics dashboard

Step by Step Call flow analysis Through MGCP Gateways

MGCP is a master/slave protocol that allows a call-control device to control and track the state of each voice port on the gateway, and there two things you need to know about MGCP Protocol. Master/slave protocol:

CN

Eslam Rizk

5 min read

Performance optimization dashboard

Cisco Phone registration check list

Performance optimization techniques that actually move the needle.

CN

Eslam Rizk

7 min read

Design workspace with color swatches

Phone services bouncing in Cisco Jabber 

Strange behavior, right 😀 You might face this issue one day like what I saw today Customer called and said : “Eslam, I can’t use my Cisco Jabber to make phone calls either in the office or outside”.

CN

Eslam Rizk

5 min read

Component design system

Cisco UCCE OPC CAP clean up failure due to Access issue

The issue started when there was no enough space on C Drive for PG server

CN

Eslam Rizk

4 min read

Empathy-driven design process

Access SQL Servers in different domain with Windows Account

You may find that you need to connect remotely to a SQL Server that is in another domain or using a Different User account, UCCE and UC Apps and Servers are managed using another Windows Account other than the Primary one.

CN

Eslam Rizk

6 min read

Product launch analytics

List of Users Based on LDAP Integration

the issue I was facing was, I wanted to get the List of Unity Users if they are LDAP Users or local Users "LDAP Integration status" as shown below.

CN

Eslam Rizk

3 min read

Workspace with laptop

Explore insights, stories, and strategies that help you build better products every day.

Join 1,000,000+ subscribers receiving expert tips on earning more, investing smarter and living better, all in our free newsletter.