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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My problem is that the device does not detect when a call is ended.

Grandstream HT HandyTone Analog Telephone Adaptor | eBay

Otherwise, set it to No. Range is from 96 to The terms IP Telephony and Internet Telephony are often used to mean the same; however, they are not per cent interchangeable, since Ahndytone is only a subcase of packet-switched networks.

The default value is 20 seconds. The default setting is No. Only the administrator can configure the “Advanced Settings” page.

This field is optional but may be required by some Internet Service Providers. The standard tone-pairs used on telephone terminals for dialing using in-band signalling.


System Ring Haneytone is used for all other calls. Default is 20 seconds. Usually in the form of digits similar to phone number or actually a phone number. It is used mainly with cable modem and DSL services. If set to No, this handtyone ” key can be included as part of number.

Press ” ” to return to the main menu. Handytonf is used periodically to transmit control packets to participants in a streaming multimedia session. This field is case sensitive with a maximum length of 25 characters. Tones by default are set to North American frequencies.

Boot and Loader are seldom changed.

It is used when IPv4 is used over Ethernet. If set to Yes, then for Attended Transfer, hamdytone “Refer-To” header uses the transferred target’s Contact header information. The protocol guarantees reliable and in-order delivery of sender to receiver data. This is needed for ISP troubleshooting. A packet-based protocol for delivering data across networks. There are two types ahndytone echo of relevance in telephony – acoustic echo and hybrid echo. When enabled, all incoming calls are rejected.

She never wants to go back! The latest official release can be downloaded from http: Used by the phone to synchronize the date and time. The default value is Enter the new 12 digit new IP address. All Grandstream products have DSP chips inside. You will see the login page of the device. The default value is hrs 5 days. In addition to improving quality, this process improves bandwidth savings achieved through silence suppression by preventing echo from travelling across a network.


The last Vocoder is entered handjtone choosing the appropriate option in “Choice 8”. With the RTP it is delivery and packaging of multimedia data, but does not transport any data itself. Upon verification of checksum, the new code image will then be saved into the Flash. Default value is However, the challenge of IP Telephony is maintaining hqndytone quality of service expected by subscribers. Based on STUN protocol.

It uses UDP port 69 as its transport protocol. It works with non-symmetric NAT routers.

HandyTone 502

SIP is designed for voice transmission and uses fewer resources 52 it is considerably less complex than H. This fieldis for customizable web port. Press “9” to toggle among the following three options: