Have a Cisco 7975g running SIP firmware version 8.3.4. Many things are broken with Asterisk. 1) BLF doesn't work 2) MWI doesn't work 3) Sometimes the calls get "stuck" on the display 4) Sometimes MOH works 5) Headset jack doesn't work Can anyone recommend a version of the SIP firmware for the Cisco 7975g that they know works well with Asterisk?
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