PBX / VoIP
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The PBX boots, Asterisk runs, but the GUI throws FATAL ERROR: DB Connection Failed or MySQL connect ERROR, or the…
Views: 9If you're using a US 10-digit phone number to send SMS from your PBX or application, the carriers now require you…
Views: 4FreePBX® is excellent for managing complex deployments, but if you just need Asterisk to bridge one carrier to…
Views: 3Most FreePBX® call queues start as "add agents, set ring strategy, done" and become an unmaintainable knot of…
Views: 4Your LYLIX PBX VPS came up with FreePBX® already installed, configured, and reachable on its public IP. This…
Views: 4Flowroute is a long-running US-based SIP-trunking provider, known for IP-based authentication (no credentials to…
Views: 3Telnyx is one of the most popular SIP-trunk carriers for FreePBX® deployments — API-first, credit-based…
Views: 5VoIP.ms is a popular low-cost SIP-trunk provider — pay-as-you-go or unlimited per-DID plans, lots of POP…
Views: 5DTMF (the keypad tones — touch-tones) seems trivial until you hit a voice menu that ignores your key presses,…
Views: 3In the United States, every phone number capable of making a 911 call must have a registered physical address that…
Views: 4The FreePBX® Backup & Restore module is the in-PBX backup tool — it captures the FreePBX…
Views: 4FreePBX® distro upgrades have moving parts: framework, modules, underlying OS packages, PHP, MariaDB, Asterisk…
Views: 4Your LYLIX PBX VPS provisioned with FusionPBX® came up with FreeSWITCH® running, FusionPBX accessible,…
Views: 4A PBX with port 5060 on the public internet receives SIP brute-force traffic from the moment it boots. The…
Views: 4Dial patterns are FreePBX®'s way of matching dialed numbers to trunks and matching inbound DIDs to…
Views: 4Moving a PBX from a physical box in a closet to a hosted VPS is one of the most common LYLIX onboardings. The good…
Views: 3"They can hear me but I can't hear them" (or the reverse), or audio that's there but unusable — choppy,…
Views: 3"Which codec should I use?" is one of those VoIP questions where the wrong answer doesn't break the call — it…
Views: 5Polycom phones (VVX series and the newer Poly Edge) can pull their full configuration from a provisioning server on…
Views: 5Hand-configuring a SIP phone through its web UI is fine for one phone. For five, ten, or fifty — you want…
Views: 3The FreePBX® Endpoint Manager (EPM) is a commercial module that handles phone provisioning from inside the PBX…
Views: 3"I can hear them but they can't hear me" — or the reverse — is the most-asked SIP question on the…
Views: 4STIR/SHAKEN is the framework US carriers use to cryptographically attest that the caller ID on an outbound call is…
Views: 5Fax over VoIP is one of those problems the industry quietly admitted it never fully solved. T.38 makes it work most…
Views: 5Voicemail-to-email is one of those features that "just works" until your VPS IP changes, or your mail relay swaps,…
Views: 3WebRTC lets a browser act as a SIP phone — no client install, no extension provisioning, just open a URL.…
Views: 3You've got a SIP trunk that comes up, runs fine, and falls over at the same interval — every 30 minutes,…
Views: 4Yealink's "AutoP" provisioning is similar in shape to Polycom's but with a couple of important differences: the…
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