Call Quality over IAX trunk

@marwan83 wrote:

Hi there,

Im having a big problem as voice quality is too poor over IAX trunk. Here is the setup:

CloudPBX in NY with public IP
JEDPBX in Saudi Arabia behind NAT device no public IP

The call route is:
Call to JEDPBX=>IAX Trunk to NY=>SIP trunk to ITSP

I think incoming calls from ITSP to JED over the same IAX trunk are good quality. My problem is with outgoing calls. The quality is too poor.

Any idea how to enhance it?

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