Frequently Asked Question

My calls are cut off or have poor outgoing audio quality
Last Updated 28 days ago

AJTEL
► Technical Support — VoIP
Poor outgoing audio quality or call cuts
Insufficient upload bandwidth issue
ISO 9001 ISO 27001
► Support: soporte@ajtel.net  |  ajtel.net/ticket  |  +52 55 8526 5000
⚠ ⚠ Identified cause: This problem occurs when your connection has very little upload bandwidth. Many ISPs offer 100 Mbps download but only 12 Mbps upload, creating a bottleneck for voice traffic.
01► How to verify?
Run a speed test at:


Check the Upload value. For quality VoIP, at least 1 Mbps upload per simultaneous call is recommended.
02► Possible solutions
Change internet planAsk your ISP for a plan with better upload/download ratio
Enable QoSConfigure VoIP traffic priority on your router (UDP ports 5000-6000 and 10000-40000)
Reduce network loadAvoid downloads or streaming during calls
✓ If the problem persists: Open a ticket at ajtel.net/ticket

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