Payload ............................................................................................................................... 414
PBX Settings/Voice Prompt Customization .................................................................................. 416
Record New Custom Prompt ................................................................................................ 416
Upload Custom Prompt ........................................................................................................ 417
Download All Custom Prompt ............................................................................................... 417
PBX Settings/ Call Failure Tone Settings ..................................................................................... 418
SIP Trunk Prompt Tone ........................................................................................................ 418
General Call Prompt Tone .................................................................................................... 419
PBX Settings/ File Storage Management ..................................................................................... 420
PBX Settings/NAS ....................................................................................................................... 422
SIP SETTINGS .......................................................................................... 424
SIP Settings/General ................................................................................................................... 424
SIP Settings/MISC ....................................................................................................................... 425
SIP Settings/Session Timer ......................................................................................................... 426
SIP Settings/TCP and TLS .......................................................................................................... 426
SIP Settings/NAT ......................................................................................................................... 427
SIP Settings/TOS ........................................................................................................................ 428
SIP Settings/STIR/SHAKEN ........................................................................................................ 430
Transparent Call-Info header ....................................................................................................... 433
IAX SETTINGS ......................................................................................... 434
IAX Settings/General ................................................................................................................... 434
IAX Settings/Registration ............................................................................................................. 434
IAX Settings/Security ................................................................................................................... 436
INTERFACE SETTINGS ........................................................................... 437