127.

 

 

 

 

 

 

 

Silence Suppression

 

This controls the silence suppression/VAD feature of G723 and G729. If set to

 

 

 

 

“Yes”, when a silence is detected, small quantity of VAD packets (instead of

 

 

 

 

audio packets) will be sent during the period of no talking. If set to “No”, this

 

 

 

 

feature is disabled.

 

 

 

 

 

 

 

Fax Mode

 

T.38 (Auto Detect) FoIP by default, or Pass-Through (must use codec

 

 

 

 

PCMU/PCMA)

 

 

 

 

 

 

 

Early Dial

 

Default is No. Use only if proxy supports 484 response

 

 

 

 

 

 

 

Dial Plan Prefix

 

Sets the prefix added to each dialed number

 

 

 

 

 

 

 

Use # as

 

This parameter allows the user to configure the “#” key to be used as the

 

 

Dial/Send Key

 

“Send”(or “Dial”) key. Once set to “Yes”, pressing this key will immediately

 

 

 

 

trigger the sending of dialed string collected so far. In this case, this key is

 

 

 

 

essentially equivalent to the “(Re)Dial” key. If set to “No”, this # key will then be

 

 

 

 

included as part of the dial string to be sent out.

 

 

 

 

 

 

 

Subscribe for MWI:

 

Default is NO. When set to Yes a SUBSCRIBE for Message Waiting Indication

 

 

 

 

will be sent periodically.

 

 

 

 

 

 

 

Send Anonymous

If this parameter is set to “Yes”, user ID will be sent as anonymous, essentially

 

 

 

 

block the Caller ID from displaying.

 

 

 

 

 

 

 

Lock keypad update

 

If set to “Yes”, the configuration update via keypad is disabled.

 

 

 

 

NOTE: Since only FXS1 has LED for indication and IVR for keypad access,

 

 

 

 

this field is not applied to FXS2

 

 

 

 

 

 

 

Refer-To Uses Target

Used for Attended transfer Feature. The “Refer-To” header uses the

 

 

Contact.

 

transferred target’s “Contact” header information.

 

 

 

 

 

 

 

Special Feature

 

Default is Standard. Choose the selection to meet some special requirements

 

 

 

 

from Soft Switch vendors like Lucent, Nortel, BroadSoft, etc.

 

 

 

 

 

 

 

Volume Amplification

 

Handset volume adjustment. RX is for receiving volume, TX is for transmission

 

 

 

 

volume. Default values are 0dB for both parameters. +6dB generates the

 

 

 

 

highest volume and -6dB generates the lowest volume.

 

Note: The explanations provided apply to both FXS port configuration parameters

Grandstream Networks, Inc.

HT-386 User Manual

Page 25 of 34

 

Firmware 1.0.3.64

Last Updated: 2/2007

Page 25
Image 25
Grandstream Networks HT386 Silence Suppression, Fax Mode, Early Dial, Dial Plan Prefix, Use # as, Dial/Send Key, Contact

HT386 specifications

Grandstream Networks has established itself as a leading provider of communication solutions, specializing in voice-over-IP (VoIP) technology. Among its diverse product line, the HT386, HT496, HT488, HT486, and HT286 analog telephone adapters stand out as exceptional devices tailored for seamless integration into modern telecommunication systems.

The Grandstream HT386 is particularly noted for its robust performance and versatility. It supports up to 4 lines, making it ideal for small to medium-sized businesses that require efficiency and reliability. The unit features advanced security protocols such as SRTP and TLS to protect voice communications, ensuring that data is secure during transmission. Additionally, the HT386 boasts an easy installation process and web-based management, which simplifies configuration and maintenance.

Next in line is the HT496, which caters to users with even more demanding requirements. This adapter accommodates up to 4 FXS ports, allowing the connection of multiple analog devices. Enhanced features like 2 SIP accounts and high-definition voice codecs ensure clear audio quality. The HT496 is designed to offer seamless interoperability with various IP routers and switches, making it a flexible solution for businesses expanding their communication framework.

The HT488, another notable entry, is geared towards those looking for high-performance analog telephony. With support for 2 lines and advanced echo cancellation technologies, it guarantees crystal-clear calls, minimizing disruptions during conversations. Additionally, it provides multiple network connectivity options, including DHCP and static IP, allowing users to choose the best configuration suitable for their network environment.

The HT486 offers similar benefits but is optimized for users who require a compact solution. This model features an elegant design while maintaining support for essential VoIP features. With 2 FXS ports and built-in firewall capabilities, it ensures secure and efficient communication for residential and small business users.

Finally, the HT286 is perfect for those seeking an entry-level adapter without compromising on quality. Supporting a single line with a straightforward setup process, it is ideal for users transitioning from traditional phone systems to VoIP technology. This model is also compatible with various VoIP service providers, ensuring users have flexibility when choosing their phone services.

In summary, Grandstream’s HT series—HT386, HT496, HT488, HT486, and HT286—delivers a comprehensive range of features and technologies suited for different communication needs. Each model combines quality with user-friendly interfaces, ensuring that users can fully leverage the benefits of VoIP, whether for personal or business use.