Asterisk
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Comparison · Meetings
FreeSWITCH vs SRS
A side-by-side editorial comparison of FreeSWITCH and SRS — release velocity, themes, recent moves, and the top alternatives to consider.
FreeSWITCH vs SRS: at a glance
What is FreeSWITCH?
After twenty-one months of silence, FreeSWITCH 1.11 deleted thirty legacy modules and moved on
The 1.11 line arrived in May 2026 after the 1.10 series had gone quiet since August 2024. Its opening release migrated to PCRE2, upgraded Windows to OpenSSL 3.x, added Debian 13 support and removed roughly thirty legacy modules. The follow-up three weeks later added a reloadcert API for hot TLS certificate reloads across mod_sofia and mod_verto without dropping calls, plus SIP 603 detection and passthrough control.
What is SRS?
SRS 6.0 went stable by making H.265 work everywhere, not just in one protocol.
SRS shipped 6.0 release 0 in December 2025, promoting the 6.0 line to stable in place of 5.0 at roughly 170,000 lines of code. The headline is H.265/HEVC carried across RTMP, HTTP-FLV, HLS, HTTP-TS and SRT, with DVR recording to both MP4 and FLV. WebRTC gained WHEP for playback, stereo Opus over SDP and a configurable AAC-to-Opus bitrate; SRT moved to libsrt 1.5.3 with round-trip latency reported down to 200ms.
FreeSWITCH vs SRS: editorial side-by-side
FreeSWITCH
0.0MEETINGS
After twenty-one months of silence, FreeSWITCH 1.11 deleted thirty legacy modules and moved on
◆ Current state
The 1.11 line arrived in May 2026 after the 1.10 series had gone quiet since August 2024. Its opening release migrated to PCRE2, upgraded Windows to OpenSSL 3.x, added Debian 13 support and removed roughly thirty legacy modules. The follow-up three weeks later added a reloadcert API for hot TLS certificate reloads across mod_sofia and mod_verto without dropping calls, plus SIP 603 detection and passthrough control.
◆ Where it's heading
The 1.11 releases read as deferred maintenance being paid down in one move: regex library, TLS stack, supported distributions and dead module surface all changed together after a long gap. The reloadcert work points at the same audience — operators who cannot take an outage to rotate a certificate. This is consolidation for long-running production switches, not feature expansion.
◆ Prediction
Expect further 1.11.x releases continuing the security-and-stability framing, with attention on modules affected by the PCRE2 and OpenSSL 3 migrations as deployments upgrade.
SRS
0.0MEETINGS
SRS 6.0 went stable by making H.265 work everywhere, not just in one protocol.
◆ Current state
SRS shipped 6.0 release 0 in December 2025, promoting the 6.0 line to stable in place of 5.0 at roughly 170,000 lines of code. The headline is H.265/HEVC carried across RTMP, HTTP-FLV, HLS, HTTP-TS and SRT, with DVR recording to both MP4 and FLV. WebRTC gained WHEP for playback, stereo Opus over SDP and a configurable AAC-to-Opus bitrate; SRT moved to libsrt 1.5.3 with round-trip latency reported down to 200ms.
◆ Where it's heading
The eighteen months of alpha and beta tags before release 0 were overwhelmingly crash, leak and iterator fixes — smart-pointer conversions, use-after-free repairs in the HLS and bridge paths, RTC-to-RTMP stability. That is the signature of a project stabilizing an existing engine rather than extending it, with the codec work landing at the end. SRS is positioning as the self-hosted streaming server that speaks every ingest and egress protocol in one binary.
◆ Prediction
With 6.0 now the stable line, the pattern from the 5.0 era points to a run of 6.0 patch releases carrying fixes rather than features. The entries give no indication of what the next major line targets.
Alternatives to FreeSWITCH and SRS
Other Meetings products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either FreeSWITCH or SRS.
FusionPBX
The release feed stops in 2018, so nothing here describes the current product
PeerTube
PeerTube 8.2 spends its release candidates hardening instances against scrapers and locking down account data
Muvi
Buried in Muvi's OTT explainer mill, Alie is quietly becoming the reason to buy.
mediasoup
mediasoup's Rust line is absorbing an outside security audit while finishing subchannels over pipe transport.
EventMobi
EventMobi's feed argues for onsite badge printing while saying nothing about what it shipped
See all FreeSWITCH alternatives → · See all SRS alternatives →
Recent activity from FreeSWITCH and SRS
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2mo agoFreeSWITCHHot TLS certificate reloads and SIP 603 passthrough
- 2mo agoFreeSWITCHPCRE2, OpenSSL 3 on Windows, and thirty legacy modules removed ⚡
- 7mo agoSRSSRS 6.0 goes stable with H.265 across RTMP, HLS, TS and SRT ⚡
- 8mo agoSRS6.0-b3: use-after-free and HLS cleanup fixes
- 9mo agoSRS6.0-b2: configurable SRT stream IDs and a WHIP transcoding fix
- 10mo agoSRS6.0-b1: RTC crash fixes, Windows binary dropped
- 11mo agoSRS6.0-b0: WebRTC recording sync fixed, forwarding configurable by env var
- 1y agoSRS6.0-a2: first H.265 DVR support, plus leak fixes
- 1y agoFreeSWITCHARM64 support arrives, Debian 10 and CentOS dropped
- 2y agoFreeSWITCHFreeSWITCH 1.10.11 security and static analysis fixes
- 2y agoFreeSWITCHDebian 12, OpenSSL 3 and FFmpeg 5 support
- 3y agoFreeSWITCHFreeSWITCH 1.10.9 security and build improvements
Frequently asked questions
What is the difference between FreeSWITCH and SRS?
They serve adjacent needs but don't currently overlap on shipped themes. FreeSWITCH and SRS are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is FreeSWITCH better than SRS?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. FreeSWITCH and SRS are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Meetings products to evaluate alongside.
What are the best alternatives to FreeSWITCH?
Top FreeSWITCH alternatives in Meetings are ranked by recent ship velocity. Browse the "FreeSWITCH alternatives" section above for the current picks, or visit /alternatives/freeswitch for the full list with editorial commentary on each.
What are the best alternatives to SRS?
Top SRS alternatives in Meetings are ranked by recent ship velocity. Browse the "SRS alternatives" section above for the current picks, or visit /alternatives/srs for the full list with editorial commentary on each.