Grandstream Networks HT502 user manual Important Settings, Dtmf Methods

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NOTE: If you can not log into the configuration page by using the default password, please check with the VoIP service provider. It is most likely the VoIP service provider has provisioned the device and configured for you therefore the password has already been changed.

Important Settings

The end-user must configure the following settings according to the local environment. NOTE: Most settings on the web configuration pages are set to the default values.

NAT SETTINGS

If you plan to keep the gateway within a private network behind a firewall, we recommend using STUN Server. The following three (3) settings are useful in the STUN Server scenario:

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 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 Profile web pages)

Set this to Yes when gateway is behind firewall on a private network.

DTMF METHODS

DTMF Settings are in FXS portX pages.

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 HT502 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

G726 (16/24/32/40)

iLBC

AAL2 (all G.726)

Grandstream Networks, Inc.

HT-502 User Manual

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Firmware Version 1.0.4.2

Last Updated: 06/2011

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Contents Grandstream Networks, Inc NAT Settings Configuration GUI Interface Examples Warranty Safety CompliancesWelcome Connect Your HT502 Connecting the HT502Equipment Packaging Power LED WAN LEDLAN LED PHONE1 / PHONE2 LEDSoftware Features Overview Product OverviewEMC Hardware SpecificationLED Reset the HT to take affect the new IP address Basic OperationsUnderstanding HT502 Voice Prompt Main MenuUsing IVR See Restore Factory Default Setting sectionPlacing a Phone Call ExamplesCall Waiting Call HoldCall Transfer Way Conferencing Fax SupportAttended Transfer Instructions for 3-way conferenceCall Features Key Call FeaturesConfiguration Guide Configuring the HT502 through Voice PromptsConfiguring the HT502 Via Web Browser User Level Password Web pages allowedImportant Settings Dtmf MethodsMTZ+6MDT+5 DMZ IP NAT Advanced User Configuration DNDFXS1 FXS2HTTP/HTTPS Internet Telephone Service Provider ACS URLConfiguration Authenticate IDAuthenticate Password Syslog LevelDNS Mode Unregister on RebootEnable Ring-Transfer Disable Bellcore StyleSIP T1 Timeout Disable DtmfEnable Call Features Disable Call WaitingDial Plan Prefix Use # as Dial KeyDial Plan Dial Plan Rules 1900x. =16172-9xxxxxx 12-9xx2-9xxxxxx 0112-9xSpecial Feature Caller Request TimerCallee Request Timer Force TimerVAD Rebooting the HT502 from Remote Saving the Configuration ChangesConfiguration through a Central Server Firmware Upgrade through TFTP/HTTP/HTTPS Software UpgradeInstructions for local firmware upgrade Firmware and Configuration File Prefix and Postfix Configuration File DownloadManaging Firmware and Configuration File Download Restore Factory Default Setting Encode the MAC Address