Grandstream Networks GXW400x User Manual download pdf (Page 12)

Grandstream Networks, Inc. GXW-400x User Manual Page 12 of 31

Firmware 1.0.0.17 Last Updated: 12/2006

DTMF

METHODS

DTMF Settings are in

Profile pages.

• DTMF in-audio

• DTMF via RTP (RFC2833)

• DTMF via SIP INFO

Enable one or more DTMF methods based on your PBX system.

REFERRED VOCODER (CODEC)

The GXW–400x supports a broad range of voice codecs. Under Profile web pages, choose your

preferred order of different codecs:

• PCMU (or G711µ)

• PCMA (or G711a)

• G729 A/B/E

• G723

• G726-32

• iLBC

• G728

• GSM

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Grandstream Networks GXW400x User Manual Page 12