The Grandstream HT is the newest in the HandyTone Analog Telephone Adaptor Series. The HandyTone offers more powerful feature functionality and. The Grandstream HT is a hybrid Analog Telephone Adapter (ATA) and VoIP This versatile Grandstream HandyTone model supports UPnP, SIP over. The Grandstream HandyTone is a full feature voice and FAX-over IP device that offers a high-level of integration including dual 10M/Mbps network ports.

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When enabled, all incoming calls are rejected.

Grandstream HT502 HandyTone 502 Analog Telephone Adaptor

This setting is useful for ITSPs. My problem is that the device does not detect when a call is ended. End users should keep it blank. Using TCP, applications on networked hosts can create connections to one another, over which handytohe can exchange data or packets.

HT Analog Telephone Adapter- Grandstream Networks

Usually in the form of digits similar to phone number or actually a phone number. Range is from 96 to Using UDP, programs on networked computers can send short messages known as datagrams handytons one another. Press ” ” to return to the main menu. For users who have free or fixed-price Internet access, IP Telephony software essentially provides free telephone calls anywhere in the world.


The standard tone-pairs used hanrytone telephone terminals for dialing using in-band signalling. SIP is designed for voice transmission and uses fewer resources while it is considerably less complex than H.

Grandstream HT HandyTone Analog Telephone Adaptor | eBay

With the RTP it is delivery and packaging of multimedia data, but does not transport any data itself. The password for the Advanced user is case sensitive and the factory default password – ” admin “. I have this device connected to asterisk 1. It is hanydtone to conduct the firmware upgrade in a controlled LAN environment if possible.

Thank you for your help. The default value for FXS port1 is All countries and regions have their own standards. When disabled, incoming calls are accepted.

An FXO device can be an analog phone, answering machine, fax, or anything that handles a call from the telephone company.

Grandstream HT502 ATA – 2 ports (Discontinued)

If set to No, this ” ” key can be included as part of number. The user can configure Vocoders in a preference list that will be included with the same preference order in SDP message. The terms IP Telephony and Internet Telephony are often used to mean the same; however, they are not per cent interchangeable, since Internet is only a subcase of packet-switched networks.

For the IP addressadd 0 before the digits if the digits are less than 3 i. The last Vocoder is entered by choosing the appropriate option in “Choice 8”. Enter07, 10,47 or 99 menu options. No dial tone is played in the middle. Otherwise, set it to No.


You will see the login page of the device. There are two types of echo of relevance in telephony – acoustic echo and hybrid echo. If the configured firmware server is found and a new code image is available, the HT will attempt to retrieve the new image files by downloading them into the HT’s SRAM.

When selected but no Caller ID is configured, the chosen ring tone will be used for all incoming calls. If a TFTP server is configured and a new code image is retrieved, the new downloaded image is saved into the Flash memory. After 4 attempts, the system will timeout and will start the boot process using the existing code image in the Flash memory.

The World Wide Web protocol that performs the request and retrieve functions of a server. SIP is a text-based protocol suitable for integrated voice-data applications.