Hey all, back again

Is there any option in FS to either:

• Keep inherit_codec working after the first invite
• Try to reduce codec changes by attempting to use the existing codec on a re-invite

Unless I'm missing something, FS seems to ignore both the current codec being used, and the inherit_codec setting on re-invites, so it defaults to essentially restarting codec negotiation. Ideally I could have it set to preserve inherit_codec if the call is still bridged (i.e. try to negotiate the B-leg's codec onto the A-leg if it's supported by the A-leg's new SDP). Consider the following call:

INVITE (this is good and what I'd expect):

A --- (opus, PCMU) ---> FS --- (opus, PCMU) ---> B

A <-- (PCMU) --- FS <--- (PCMU) --- B

Later Re-INVITE:

A --- (opus, PCMU) ---> FS

A <-- (opus) --- FS

Ideally, I could get something like:

Later Re-INVITE:

A --- (opus, PCMU) ---> FS (checks codec used on B-leg of call, if inherit_codec=true)

A <-- (PCMU) --- FS

Thanks in advance,

Colin

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