Hey there,
I am abraham, Senior VoIP/Network Engineer and consultant, with robust and extensive Telecommunication experiences.
Dealing with Asterisk servers and helping companies do development on Asterisk is my main line of work and I have deep understanding of signalling and media protocols backed up with my enterprise carrier level experiences as well.
Please take a look at my profile and also let me know if you need more detailed C.V.
Kindest Regards.
PS: I've also been working with a few companies in Southampton in the past years, designing and supporting their VoIP and Wireless network that you can talk to them as a reference of my previous works.