On 2021-06-14 12:07, Richard Jobson wrote:
before going to the PSTN which is clamped at G.711 narrowband
This is starting to get a /little/ bit better, but progress is painfully slow. For example, Inteliquent supports G722, you just need to ask for it to be enabled on your SIP trunks with them. They won't transcode, just allow the negotiation to pass through. Within my telco we enable G722 wherever possible and encourage SIP PBX subscribers to also support it all the way through to their phones. We now have hundreds of endpoints that will negotiate G722 over the PSTN via Inteliquent.
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