Grandstream Networks HT818 User Manual

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HT81x User Guide
DTMF Methods
The HT81X 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 HT81X 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

Grandstream Networks HT818 Specifications

General

Brand	Grandstream Networks
Model	HT818
Category	Telephone Accessories
Language	English