Tool to check the quality of SIP trunk provided by the end supplier

Asterisk Asterisk SIP
1

Hello Everyone,

Is there a tool available to check the quality of SIP trunk provided by the end supplier
I suspect my service provider decrease/ changes the bandwidth allotted for the SIP trunk as we notice voice quality issue occurring randomly.
Is there a way to monitor the Quality of service or measure the bandwidth provided for the SIP trunk.

Regards,
Vignesh.R

2

There are many to measure the bandwidth (google it) . For your other issue, I would tcpdump sip and rtp and analyse using Wireshark to see if there is any packet loss or jitter. There are some other tools/standards available to test the audio quality. Search for PESQ and POLQA

3

You could set up homer or voipmonitor.

4

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