Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
xxii
Configuring EDK Feature .......................................................................................................................................... 748
Configuring EDK List................................................................................................................................................... 750
Configuring EDK Prompt .......................................................................................................................................... 752
Configuring EDK Soft Keys ...................................................................................................................................... 754
Configuring a Custom Key ....................................................................................................................................... 762
Example Macros ........................................................................................................................................................... 769
Configuring Audio Features ...................................................... 771
Redial Tone .............................................................................................................................................................................. 771
Ring Tones ............................................................................................................................................................................... 772
Distinctive Ring Tones ......................................................................................................................................................... 777
Tones .......................................................................................................................................................................................... 784
Voice Mail Tone ..................................................................................................................................................................... 792
Ringer Device for Headset ................................................................................................................................................ 793
Handset/Headset/Speakerphone Mode ..................................................................................................................... 795
Headset Prior .......................................................................................................................................................................... 796
Dual Headset ........................................................................................................................................................................... 798
Sending Volume .................................................................................................................................................................... 800
Audio Codecs .......................................................................................................................................................................... 802
Supported Audio Codecs ......................................................................................................................................... 802
Packetization Time (PTime) ..................................................................................................................................... 818
Acoustic Clarity Technology ............................................................................................................................................. 820
Acoustic Echo Cancellation (AEC) ......................................................................................................................... 820
Background Noise Suppression (BNS) ................................................................................................................ 822
Automatic Gain Control (AGC) ............................................................................................................................... 822
Voice Activity Detection (VAD) .............................................................................................................................. 822
Comfort Noise Generation (CNG) ......................................................................................................................... 823
Jitter Buffer ..................................................................................................................................................................... 825
DTMF .......................................................................................................................................................................................... 829
Methods of Transmitting DTMF Digit ................................................................................................................. 830
Suppress DTMF Display ............................................................................................................................................ 835
Transfer via DTMF ........................................................................................................................................................ 837
DTMF Send Event Flash ............................................................................................................................................. 839
Play Local DTMF Tone ............................................................................................................................................... 841
Voice Quality Monitoring (VQM) .................................................................................................................................... 842
RTCP-XR ........................................................................................................................................................................... 842
VQ-RTCPXR .................................................................................................................................................................... 844
Configuring Security Features .................................................. 861
User and Administrator Passwords................................................................................................................................ 861
Auto Logout Time ................................................................................................................................................................. 863
Phone Lock .............................................................................................................................................................................. 864
Transport Layer Security (TLS) ......................................................................................................................................... 874