Ivan V.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

VoIP Architect, Asterisk/FreeSWITCH, Expert Hardened Security & WebRTC

- Core VoIP development (embedded platforms) - VoIP systems & Appliances customization (Asterisk & FreePBX / Elastix / ViciDial, Freeswitch & FusionPBX) - SIP routing, hands on experience - over 10k calls per day (or 50+ concurrent calls) - vast knowledge of backend programming languages (C++, Perl, Python, Bash, Lua, PHP, MySQL stored proc) - Linux Security & Intrusion detection

🇷🇸Belgrade, Serbia$40/hr95% JSS4.88 (15)Since Jul 2015

Earnings and projects

MRR (estimate)

≈ $0≈$0

An estimate from an earlier read

#73,822 / 412,022 / 412k

🇷🇸#1,048 / 4,015 / 4,015

Revenue, last 30 days

$0$0

Total earnings

$51,919$52k

Billed in all: $52,538$53k

#73,822 / 412,022 / 412k

🇷🇸#1,048 / 4,015 / 4,015

Per project

$2,360$2.4k

Projects, last 6 months

#209,850 / 412,022 / 412k

🇷🇸#1,916 / 4,015 / 4,015

Projects in all

Across 24 contracts

13% fixed87% hourly

#124,452 / 412,022 / 412k

🇷🇸#1,614 / 4,015 / 4,015

$52.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch

No data since Nov 5, 2026.

Skills

VoIP Software Asterisk FreeSWITCH API Integration VoIP FreePBX Linux Linux System Administration VoIP Administration WebRTC Kamailio Python PHP Perl Bash+5 more

Ivan V.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Earnings and projects

Earnings, last 30 days

Skills