Troubleshooting
- Voicemail-to-Email Not Arriving — Delivery ChecklistFix voicemail-to-email that stopped arriving - spam filtering, attachment policies, address typos, and delete-after-delivery confusion.
- VoIP Phone Won't Register — No Service, No Lines, Blank ScreenFix a VoIP desk phone that won't register - check cabling and PoE, reboot, verify Last Seen, factory-reset repurposed phones, and rule out SIP ALG.
- Phone Downloads Config but Won't Take It — Provisioning FailuresFix VoIP provisioning failures - wrong MAC entries, model mismatches, locked phones from previous providers, VLAN issues, and DHCP option 66 conflicts.
- One-Way Audio on VoIP Calls — Causes and FixesFix one-way or no audio on VoIP calls - mute and headset checks, then SIP ALG and firewall RTP rules, the network causes behind most audio faults.
- A Phone Number Isn't Receiving Calls — Diagnosis PathCallers get dead air, fast busy, or a carrier message on your business number - separate porting, routing, and destination faults step by step.
- Phone Not Ringing? DND, Forwarding, and Routing — In That OrderFix an office phone that doesn't ring - check Do Not Disturb, ringer volume, call forwarding, ring duration, and where the number actually routes.
- E911 Address Problems — Verification and CorrectionFix E911 address validation failures and wrong dispatch locations - address formatting, suite-level detail, moved phones, and safe testing procedure.
- Wrong Caller ID Showing on Outbound Calls — FixesFix wrong outbound caller ID - the settings hierarchy that decides what displays, stale CNAM names, and why some carriers show old data.
- Choppy, Robotic, or Echoing VoIP Calls — Call Quality FixesDiagnose bad VoIP call quality - jitter, packet loss, and echo symptoms mapped to causes, with the QoS and network fixes that resolve each.
- Wrong Greeting or Menu Playing — Auto Attendant DebuggingDebug wrong greetings and misrouted menu options - time condition boundaries, mode toggles, stale prompts, and the key-map audit that finds it.
- How to Report a Phone Problem So It Gets Fixed in One TouchThe five facts every phone system trouble report needs - extension, time, number dialed, expected vs. actual - so support can fix it in one interaction.