Transition gradually to modern IP telephony with 3CX’s support for CISCO 7940 & 7960 phones Cisco 7940 IP phones stand proud on many a desk - they are good quality and look surprisingly good despite their age. Their problem - The Cisco Call
We've made great strides with 3CX Phone System 12, continually setting new standards within the PBX industry by providing key mobility and Unified Communications features. Following up from valuable feedback we've received from our customers,
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eagle2 wrote:If you are familiar with Wireshark try to capture and analyze the traffic - there should be an obvious reason - probably the voice path is problematic between the remote extension and the gateway.
Have you tried 'PBX delivers audio' for remote extensions (I don't remember)?
What is the codec for PSTN lines in the gateway?
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