Troubleshoot Call Quality Issues

If you experience call quality issues, gather the following and contact support at 920‑885‑0141 or [email protected].

1. Identify affected extension(s).
2. Determine if issues occur on external, internal, or both call types.
3. Note the time and phone number of each problematic call.
4. Record when the problem started.
5. Describe the symptoms.

Common Symptoms & Causes

• Dropped Calls: Loose cables, poor Wi‑Fi, or weak network connection.
• Garbled Voice: Excessive jitter or network congestion.
• Choppy / Intermittent Audio: Packet loss on the network.
• Metallic / Robotic Voice: Extreme packet loss.
• Delayed Voice: High latency.
• Crackling / Static: Faulty handset or coil cord.
• One‑Way / No Audio: SIP‑ALG enabled, double NAT, or firewall misconfiguration.
• Incoming Calls Fail / Go to Voicemail: SIP‑ALG or NAT issues.
• Device Drops Registration: SIP‑ALG or multiple NAT hops.

Once you’ve compiled this information, reach out to support for further assistance.