Installation guide

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Dtmf_type=0
Enter the DTMF type:
– 0 for DTMF according to RFC2833
– 1 for DTMF in band
– 2 for SIP INFO
Dtmf_level=0
Enter the audio level for DTMF:
– 0 for 0db
– 1 or +3db
– 2 for +6db
– 3 for -3db
– 4 for -6db
Dtmf_avt_payload_type=
Only 97-127 is allowed
vad=1
Voice Activity Detection:
– 0 VAD out of service
– 1 VAD in service
dtmf_feedback_enable=1
0 = disable
1 = enable
rlr_handset=10
slr_handset=10
sidetone_handset=2
hearing_aid_enable=1
0 = disable
1 = enable