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Enable PRACK
: Configure whether to support SIP-PRACK
(used by "Color Ring Back Tone").
Recommend to use the default configuration
Convert URI
: When you send URI it will convert # to %23.
Enable DNS SRV
: Configure whether to enable RFC2782
protocol edition.
Enable display name quote
: Set to make quotation mark to
display name as the phone sends out signal, in order to be
compatible with server.
Use Stun
: Enable/Disable SIP STUN.
Enable BLF List
: Enable/Disable BLF List.
BLF list number
:
Input the number of BLF List.
Enable session timer
:
Enable/Disable session timeout.
Session timeout(s)
: Set the time of session timeout.