Muhammad N.

I have been in the VOIP industry for the past 7 years. Result oriented VoIP engineer having seven year experience in the IT/Telecom and IP-Telephony field primarily give solutions include VoIP/TDM Soft Switches, Billing and Operation Support Systems, SS7 /SIP Interconnect Media Gateways for Long Distance and Local Loop Telephony Customers and Enterprises, Call Centers, VAS/IVR Services and Voice over Packet and Internet Telephony Service Providers. Protocols: TCP/IP, SIP, SDP, RTP, SRTP, MGCP, H.323, ISDN, TLS, RADIUS, HTTP/HTTPS, FTP/TFTP, SIP - Managed Brands: Cisco, Linksys, Polycom, SNOM, Digium, Grandstream, Patton, - Operating Systems and programms: Linux (Gentoo/Debian/Ubuntu/Red-Hat/FreePBX), Windows Asterisk, Kamailio/OpenSIPS, Open VPN, FreePBX, Openfire, Postfix, Apache2, OpenLDAP, MySQL, Scripting Shell, Linux-HA, DRBD, VMWare - Programming Languages: PHP, Scripting Shell, Perl, SQL,