Hi,
more than 15 years of hardcore experience in telecom and VoIP. I have been working with nearly every kind of sofswitch/gateway and billing - Cisco,Quintum,MVTS,Asterisk,VoIPswitch, Nextone, Billbery,Porta,Netcentrex and tons of others... Excellent protocol troubleshooting skills - Q.931, H323, SIP, SS7. Ready to setup,configure,troubleshoot,advice any case. No unsolved cases so far
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