HN Explorer

agranig

↗ HN profile [ 520 ms ] full profile
Karma
240
Created
June 14, 2007 (19y ago)
Submissions
0
Entrepreneur, Hacker, VoIP enthusiast. Founder of www.sipfront.com.

Previously co-founder and CTO of www.sipwise.com, aquired by Alcatel Lucent Enterprise.

  1. How to simulate E911 emergency calls (sipfront.com)
    2 points 0
  2. Drawing cloud architecture diagrams in Python (diagrams.mingrammer.com)
    4 points 0
  3. Yet another one-man SaaS technology stack (sipfront.com)
    2 points 0
  4. Watching TV over WebRTC (sipwise.com)
    2 points 0
  5. Ask HN: Is AtomPub still used in REST APIs?

    We are currently discussing general architectures of REST APIs as we're replacing our SOAP interface with something more light-weight. It appears to me that although modern and widely adopted APIs are using RESTful…

    3 points 1
  6. Let your CPU do the heavy crypto lifting in Hardware (en.wikipedia.org)
    2 points 0
  7. 'B', the flying car (kickstarter.com)
    3 points -1
  8. Slides from Kamailio World 2013 - Cutting edge communication solutions (kamailio.org)
    1 points 0
  9. Ask HN: does bitcoin mining pay off?

    I'm curious whether there are people who do (semi-)professional bitcoin mining, for example with hardware like https://en.bitcoin.it/wiki/Mining_hardware_comparison, and whether this really pays off? In the worst case,…

    11 points 14
  10. Why secure SIP communication is really broken (granig.io)
    3 points 0
  11. Desktops are outgrowing me, and I’m worried (sipwise.com)
    2 points 1
  12. Desktops are outgrowing me, and I'm worried (granig.io)
    27 points 27
  13. Hiring by Curiosity (sipwise.com)
    1 points 2
  14. How to run your own open source Skype replacement (sipwise.com)
    98 points 27
  15. Ask HN: Followed all advice, why still no virality?

    So I listened to all start-up advice from the tech crunch, the next web, hacker news and more, launched my own start-up today at http://www.doublestealth.com but where is the virality? I'm doing what people want…

    4 points 13
  16. Skype and how SIP is catching up (sipwise.com)
    1 points 0
  17. Smart Matching in Perl with the ~~ Operator (szabgab.com)
    1 points 0
  18. VoIP Traffic Analysis and Troubleshooting: the past, the present and the future (sipwise.com)
    2 points 0
  19. How VoIP works (sipwise.com)
    3 points 0
  20. How Central/Eastern Europe VCs can beat those in the Valley (thenextweb.com)
    2 points 0
  21. Sipwise raises VC investment > 1M USD for open-source VoIP soft-switch (sipwise.com)
    1 points 0
  22. When defining a new IPTV service for an ISP, then what would it be?

    Let's say you could define the IPTV service of an ISP. What's the features you'd like to have there? Here's my list: - Time shift (pause/rewind current stream) - DVR (watch one stream, record another in parallel) -…

    1 points 1
  23. Cloud Telephony - a reality check (sipwise.com)
    3 points 1
  24. Tell HN: We're hiring a Perl/Catalyst Web developer in Vienna/Austria

    You are a skilled Perl hacker experienced in web development using Catalyst/jQuery/MySQL/Redis, you've a strong entrepreneurial mind, want to work in the VoIP/Telecom industry developing appliances and systems used by…

    2 points 0
  25. Joint Venture tackles big players in the telco market using Open Source Software (sipwise.com)
    7 points 3