Troubleshooting

Hot Issue

• Hot Issues in April 2019
• Abnormal Web Page Displays after Firmware Upgrade
• Firmware or System Prompt Upgrade Failure of U-Series & Gateways
• TG and TA Upgrade Important Note
• Web Login Password Recovery Suggestion
• Hot Issues in February 2019
See all 7 articles

SIP Call Issue

• The Router Settings Relevant with One Way Audio & 30 Seconds Call Hang up Issue
• Call Hangs up at 30 Seconds
• Voice Lost after Call is Transferred through SIP Trunk
• Failed to Make Calls from TE/TB to SIP trunk When Caller ID is Blank
• Recommended SIP Configuration for Deutsche Telekom
• Common Causes for SIP Outbound Call Failures
See all 11 articles

SIP Trunk Registration issue

• SIP Registration Troubleshooting Guide Content
• Checklist for SIP Trunk Registration Failure
• SIP Trunk Registration Failure Logging
• Registration Failure by Choosing the Wrong Type of SIP Trunk
• Registration Failure Caused by SIP Random Port
• Register-Type Trunk Registration Failed Caused by Wrong Realm
See all 10 articles

SIP Extension Registration Issue

• SIP Extension Registration Introduction
• Different Scenarios of Extension Registrations
• Checklist for SIP Extension Failure
• Common causes for SIP Extension Registration Failures

Linkus Related Issue

• Linkus Hot Issue
• Why Extension Status Turns Offline when Linkus Mobile Client Is Not in Use?
• Common Causes for Linkus Voice issue
• Common Causes for Linkus Registration Failures
• Linkus Registration Failure

Auto Provisioning Issue

• Auto Provisioning Troubleshooting Guide Content
• Contact and Phonebook Provisioning Failure
• IP Phone or Yestar TA FXS gateway Failed to Reboot Automatically
• Configuration Provisioning Failure
• Firmware Provisioning Failure
• Auto Provisioning Introduction
See all 10 articles

Analog Related Issue

• Echo Issue for Analog Line
• Failed to Receive Inbound Calls through Analog Trunk
• Why There is Ghost Calls?
• FXO Impedance Match Tool Instruction
• Analog Line Frequently Asked Questions
• Why There is No Caller ID for Analog Line?
See all 8 articles

GSM Related Issue

• GSM Troubleshooting Guide Content
• GSM Registration Failure
• SMS Failure
• GSM Call Failure
• USSD Failure
• Call Service Failure
See all 13 articles

Hardware Issue

• Why I Get Upgrade Notification When Login the Web Interface?
• Hardware Issue Contents
• No Power
• Boot Failure
• Network Interface Failure
• USB port / TF card slot / SD card slot Failure
See all 24 articles

BRI Related Issue

• Failed to Receive Calls from BRI or PRI Line

Multisite Interconnect

• Common Causes for Multisite Interconnect Call Failure

MFC/R2 Related Issue

• MFC/R2 Troubouleshooting Content
• MFC/R2 Case - Outbound Call Failure of Venezuelan User
• MFC/R2 Logging
• MFC/R2 Issue Check List
• MFC/R2 Configuration File
• MFC/R2 Trunk Connection
See all 7 articles

QueueMetrics Related Issue

• QueueMetrics Frequently Asked Questions
• Page Jump to QueueMetrics Official Website
• Your QueueMetrics Live ID Application Failed
• Unable to Login or Logout on QueueMetrics Agent User Interface

Email Related Issue

• Email to SMS Settings

Log & Packet Capture

• How to Get the FXO/FXS/GSM Port Signal Capture
• How to Monitor BRI Port in S-Series PBX
• How to Save the PuTTY Log as a Local File
• How to Get Linkus Debug Logs
• How to Capture Asterisk CLI Logs for Yeasatr S-Series VoIP PBX
• How to Get System Log
See all 20 articles

Debug Tool

• How to Analyze SIP Calls in Wireshark
• How to Use Wireshark