Various Guides

Guides

Testing

• Performance Testing with Sipp

Installation

• G723/G729 Codec installation
• MySQL Replication
• Sangoma Wanpipe installation
• Centos installation
• Setting up https secure connection (SSL)
• Install Eluna Stats
• Configure SSH connection between servers
• Fail2Ban installation
• OVH server installation
  • OVH server Rescue Mode
  • OVH NVME atop Reporting Problem

MySQL

• Live Backups
• How to access MySQL database via WEB
• Lost MySQL root password?
• Backup old Calls
• How to recover corrupted MySQL data
• How to restore system from Backup which are made from GUI

Asterisk

• Ports which should be opened
• Asterisk under NAT
• Asterisk CLI debug
• Which codecs should I choose for devices
• How to restart Asterisk server
• How to change RTP port range for Asterisk
• Two SIP listening ports for single Asterisk
• sip.conf
• RTPAUDIOQOS Demystified
• Explanation about stucked calls
• SIP Domains in Asterisk
• Additional Asterisk Server

Freeswitch

• • Freeswitch Codecs
  • Freeswitch Codec Negotiation
  • Freeswitch under NAT
  • Freeswitch Port Range
  • Freeswitch SNMP

Troubleshooting

• SIP Call Flow
• SIP analysis using sngrep
• SIP Capture with TCPDump
• How to capture packets using wireshark

Other

• Voice quality
  • How to increase call volume
• Latency
• How to change server's IP
• Server working very slowly
• Timezone in RoR
• Sound files
  • Convert WAV file to Asterisk playable format
  • TTS Engines
• Fax over VoIP
  • Send Receive Fax over T38
• NTP: Server Time Sync
• Selinux
• Fail2Ban
• How to block someone's IP
• High availability (Heartbeat clustering)
• Migration to other server
• What is direct URL
• How to join Webex meeting
• Load-balancing using DNS SRV
• Kamailio kamcli installation on Centos 7
• sipp installation
• Enbloc or Overlap
• Session Description Protocol
• Restrict Access To GUI
• DDoS

Softphones

• Idefisk 1.37 Configuration
• X-PRO Configuration
• Video call with CounterPath eyeBeam

Hardware

• Cisco Gateway Settings
• How to connect to Huawei devices
• TELES configuration
• VoiceBlue Ring problem
• Linksys SPA942 Configuration
• Linksys PAP2
• How to get pause on mobile phone keyboard
• CDMA support
• Check RAID status

Documentation

• VoIP Business Glossary
• VoIP Advantages

• Why we do not suggest to use IAX2
• FAQ

• Support System
  • Support System explanation
  • Create new Ticket in Ticket System
  • Write comment to the Ticket
  • In what order tickets are solved in Support System
  • Support
  • Amazon S3 Backups
  • Accounting
    • Where to find invoices

• Product Feedback Policy

• Pricing structure
• Training