Dtmf Methods; Preferred Vocoder (Codec); Table 8: Basic Settings - Grandstream Networks HT701 User Manual

1. STUN Server (under Advanced Settings webpage)
Enter a STUN Server IP (or FQDN) that you may have, or look up a free public STUN Server on the
internet and enter it on this field. If using Public IP, keep this field blank.
2. Use Random SIP/RTP Ports (under Advanced Settings webpage)
This setting depends on your network settings. Generally if you have multiple IP devices under the
same network, it should be set to Yes. If using a Public IP address, set this parameter to No.
3. NAT Traversal (under the FXS/Profile web page)
Set this to Yes when gateway is behind firewall on a private network.

DTMF METHODS

DTMF Settings are in FXS portX/ProfileX page.

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 HT70X supports a broad range of voice codecs. Under Profile web pages, choose your preferred
order of different codecs:

PCMU/A (or G711µ/a)

G729 A/B/E

G723.1

G726 (16/24/32/40)

iLBC
End User Password
Web Port
FIRMWARE VERSION 1.0.3.1

TABLE 8: BASIC SETTINGS

Password to access the Web Configuration Menu. This field is case sensitive with a
maximum length of 25 characters.
By default, HTTP uses port 80. This field is for customizable web port.
HT70X USER MANUAL Page 26 of 52