User Manual

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HT812/HT814 User Guide
Version 1.0.11.6
DTMF Methods
The HT812/HT814 support the following DTMF mode:
• DTMF in-audio
• DTMF via RTP (RFC2833)
• DTMF via SIP INFO
Set priority of DTMF methods according to your preference. This setting should be based on your server
DTMF setting.
Preferred Vocoder (Codec)
The HT812/HT814 support following voice codecs. On Profile pages, choose the order of your favorite
codecs:
• PCMU/A (or G711µ/a)
• G729 A/B
• G723.1
• G726
• iLBC
• OPUS
• G722