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Software & manuals

Client images, router firmware and PDF guides.

Every bootable ISO, Raspberry Pi image, CMER Router OS v1.2 build, flashing utility and gateway manual referenced across Cloudfonica in one verified directory.

Quick client selection guide

Choose Cloud router for zero-PC sites (~$40 router), Cloud Pi for 5V continuous operation, or Cloud PC ISO for up to 256 concurrent ports.

Hardware compatibility & client matcher

Find the exact client OS, flashing utility and gateway manual for your site.

192.168.101.1 · UDP 5060
Recommended stack CMER Router OS v1.2 + Tftpd32 recovery utility

Flash CMER Router OS v1.2 onto a supported TP-Link, Asus, Netgear, D-Link or Linksys router. Pair your gateway on LAN 192.168.101.1:5060 with G.729/G.723.

Client setup guide Estimate 32-port cost

Client images & firmware

Cloud client operating systems

Bootable images for x86 PCs, Raspberry Pi appliances and routers running CMER Router OS v1.2.

Asset Platform Format & version Source & verification Download
Cloudfonica PC OS (CMER) Compressed Multiplexed & Encrypted RTP (CMER) image for dedicated PC or laptop deployments. Cloud PC · x86_64 USB boot ISO image · Latest
ISO image www.cloudfonica.com
Cloudfonica PC OS (IAX) IAX2 trunking build for x86 USB flash installations. Cloud PC · x86_64 USB boot ISO image · Latest
ISO image www.cloudfonica.com
Cloudfonica Pi OS archive Headless ARM image archive for 8 GB+ Class 10 microSD cards. Cloud Pi · Raspberry Pi microSD ZIP archive · v1.0
ZIP archive www.cloudfonica.com
CMER Router OS v1.2 Select the CMER Router OS v1.2 firmware build matching your exact TP-Link, Asus, Netgear, D-Link, or Linksys hardware revision. Cloud router · 500+ models Router firmware · v1.2
Router firmware cmer.improlabs.com

Documentation manuals

PDF configuration guides

Printable reference manuals for Call filter, SIM-less SIP trunks and hardware gateways.

Asset Platform Format & version Source & verification Download
Call filter user guide Step-by-step reference for caller-ID rotation, blacklists/whitelists, and channel distribution rules. Call filter · Documentation PDF manual · Current
PDF manual www.cloudfonica.com
SIM-less termination & SIP trunk configuration Service panel configuration guide for IP phone numbers, TDM channels, E1/T1, and SIP trunks. SIM-less termination · Documentation PDF manual · 2024.08
PDF manual www.cloudfonica.com
Addpac gateway configuration guide Five-step illustrated manual for WAN static IP, SIP server binding, RFC 2833 DTMF relay and mobile dial plans. Gateway · Addpac PDF manual · v2.0 · 618 KB
PDF manual www.cloudfonica.com
SHA-256: 78649558c575…21739c78
Dinstar gateway configuration guide Ten-step illustrated manual for local network IP, IP↔Tel routing, cyclic ascending port groups and SIP port 5060. Gateway · Dinstar PDF manual · v2.0 · 888 KB
PDF manual www.cloudfonica.com
SHA-256: 6f230b905773…7d1305fe
GoIP gateway configuration guide Four-step illustrated manual for GoIP 8/16/32 static LAN IP, Trunk gateway mode and 50–110 ms adaptive jitter buffer. Gateway · GoIP PDF manual · v2.0 · 512 KB
PDF manual www.cloudfonica.com
SHA-256: fa100cff3fbd…025381a0
Skyline gateway configuration guide Four-step illustrated manual for SIM readiness, static subnet pairing, SIP port 5060 and G.729/G.723 codec priority. Gateway · Skyline PDF manual · v2.0 · 474 KB
PDF manual www.cloudfonica.com
SHA-256: a62688899a51…fc6ae20e
Ejoin gateway configuration guide Four-step illustrated manual for Ejoin static WAN IP, Point-to-Point SIP server pairing and save/reboot workflow. Gateway · Ejoin PDF manual · v2.0 · 533 KB
PDF manual www.cloudfonica.com
SHA-256: 3e042a34bd23…c3f625be
Etross gateway configuration guide Four-step illustrated manual for Etross static WAN IP, peer SIP trunk (192.168.101.1:5060) and sip-gsm call routing. Gateway · Etross PDF manual · v2.0 · 669 KB
PDF manual www.cloudfonica.com
SHA-256: a6cb2b286766…8b9dc2c6
Account creation & billing printable guide Printable reference guide for account registration, profile verification and prepaid billing. Onboarding · Documentation PDF manual · Legacy PDF
PDF manual www.cloudfonica.com

Provisioning tools

Flashing and recovery utilities

Third-party USB/SD flashing tools and TFTP router recovery servers.

Asset Platform Format & version Source & verification Download
Rufus USB ISO burner Creates bootable USB flash drives from Cloudfonica PC ISO images. Windows · Cloud PC utility Windows tool · Utility
Windows tool www.cloudfonica.com
SD card formatter v4 Prepares microSD cards prior to writing the Cloudfonica Pi OS image. Windows · Cloud Pi utility Windows tool · v4.0
Windows tool www.cloudfonica.com
Win32DiskImager Writes the unzipped Cloudfonica Pi raw image onto a formatted microSD card. Windows · Cloud Pi utility Windows tool · Utility
Windows tool www.cloudfonica.com
Tftpd32 TFTP server Used when flashing router recovery firmware (e.g. mr3420v3_tp_recovery.bin) over LAN 192.168.0.66. Windows · Router recovery Windows tool · Third-party
Windows tool tftpd32.jounin.net

Need help flashing your device?

Follow our step-by-step installation walkthroughs for Cloud router, Cloud Pi and Cloud PC.