Articles in Developers

Don’t Let SIP Endpoints be Your Achilles Heel

  • Andrew Prokop
  • May 5, 2014 | Estimated reading time: 6 minutes to read
  • I was out East last week (I grew up in Arizona and we call everything on the right side of the map “out East”), where…

How do You Do an SIP INVITE Request?

  • Andrew Prokop
  • May 1, 2014 | Estimated reading time: 8 minutes to read
  • As a high school student, I loved biology. I loved learning about the natural world and how our bodies function. The spleen was my friend…

SIP Media Management: Early or Late?

  • Andrew Prokop
  • April 29, 2014 | Estimated reading time: 5 minutes to read
  • In a previous blog, I addressed the concepts of early offer and late offer. You are welcome to read the article, SIP Media Management: Early…

Michigan State Wins Innovation Award from Avaya; 7 Partners Win DevConnect Excellence Awards

  • Jon Alperin
  • April 28, 2014 | Estimated reading time: 3 minutes to read
  • Does the phrase "I'll know it when I see it" apply to innovation? How do you recognize innovation versus improvement when you see something new?…

Understanding the SIP OPTIONS Request

  • Andrew Prokop
  • April 24, 2014 | Estimated reading time: 3 minutes to read
  • Several years ago I bought my sons a set of walkie-talkies. Some of you may remember that for a while they were huge with the…

Avaya IP Shuffling: What Exactly Happens?

  • Andrew Prokop
  • April 16, 2014 | Estimated reading time: 4 minutes to read
  • Here in Minnesota we like to say that there are only two seasons – winter and road construction. As winter finally comes to an end…

Rummaging Through the SIP Closet

  • Andrew Prokop
  • April 14, 2014 | Estimated reading time: 4 minutes to read
  • I have a difficult time throwing things out.   Perhaps it’s due to my optimistic nature, but I always feel that no matter how long…

SIP Message Bodies: What do They Mean?

  • Andrew Prokop
  • April 11, 2014 | Estimated reading time: 5 minutes to read
  • I was born and raised in Arizona, but for many years I’ve called Minnesota home. Yes, I understand that most people make the opposite move,…

Web Services for Knuckleheads

  • Andrew Prokop
  • April 10, 2014 | Estimated reading time: 5 minutes to read
  • On a number of occasions, my blog articles have used terms such as web services, SOAP, REST, and RESTful. Without providing much explanation, I’ve stated…

Dipping Your Toes into the SIP Stream

  • Andrew Prokop
  • April 8, 2014 | Estimated reading time: 4 minutes to read
  • There are surprises and there are surprises. For instance, I like it when I come home after a long day at work to find that…

Understanding Avaya's Personal Profile Manager (PPM)

  • Andrew Prokop
  • April 4, 2014 | Estimated reading time: 4 minutes to read
  • If you were to design an SIP telephone solely based on the features available from IETF (Internet Engineer Task Force – the owners of SIP)…

Tackling Loop Detection in SIP Architecture

  • Andrew Prokop
  • April 3, 2014 | Estimated reading time: 4 minutes to read
  • It is said that the definition of insanity is doing the same thing over and over again and expecting different results. I will venture to…

For Unified Communications Pros: How to Record Calls with SIPREC

  • Andrew Prokop
  • March 25, 2014 | Estimated reading time: 5 minutes to read
  • “This call may be recorded for quality assurance.” It’s nearly impossible to call a contact center without hearing that message or something very similar.  A…

A Timely Article About SIP Timers

  • Andrew Prokop
  • March 20, 2014 | Estimated reading time: 4 minutes to read
  • Some things happen for a reason and some things just happen. Last week I hit a deer and I highly doubt that there was some…

How to Build a Secure SIP Network

  • Andrew Prokop
  • February 13, 2014 | Estimated reading time: 5 minutes to read
  • For the most part, I love my job as a communications architect.  I love sifting through Wireshark traces trying to find needles in SIP haystacks. …