TABLE 2: HT–386 TECHNICAL SPECIFICATIONS

Lines/SIP Accounts

2 lines / 2 SIP accounts

Protocol Support

SIP 2.0 (RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP,

 

DNS, DHCP, NTP, TFTP, PPPoE protocols

Feature Keys

1 button

LAN/WAN Interface

RJ-45 10 Mbps

Device Management

Web interface or via secure (AES encrypted) central configuration file for mass

 

deployment

 

Support device configuration via built-in IVR, Web browser or central

 

configuration file through TFTP or HTTP

 

Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ,

 

MPLS)

 

Auto/manual provisioning system

 

NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices

 

including behind firewall/NAT

 

Syslog support

DHCP Server/Client

Yes, Client

Audio Features

Advanced Digital Signal Processing (DSP)

 

Dynamic negotiation of codec and voice payload length

 

Support for G.723,1 (5.3K/6.3K), G.729A, G.711 µ/A, G.726, and iLBC codecs

 

In-band and out-of-band DTMF ((in audio, RFC2833, SIP INFO)

 

Silence Suppression, VAD (voice activity detection), CNG (comfort noise

 

generation), ANG (automatic gain control)

 

Adaptive jitter buffer control

 

Packet delay & loss concealment

 

Support volume amplification

 

Support configurable Call Progress Tones

Call Handling

Caller ID display or block, Call waiting caller ID, Call waiting/flash, Call

Features

transfer, hold, forward, mute, 3-way conferencing

Network and

Manual or dynamic host configuration protocol (DHCP) network setup; RTP

Provisioning

and NAT support traversal via STUN

Fax over IP

T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for

 

Fax Pass-through (pending), Fax Datapump V.17, V.19, V.27ter, V.29 for T.38

 

fax relay

Security

DIGEST authentication and encryption using MD5 and MD5-sess

Physical Design

Stylish and compact design; small universal power supply, ideal for travel

Grandstream Networks, Inc.

HT-386 User Manual

Page 8 of 34

 

Firmware 1.0.3.64

Last Updated: 2/2007

Page 8
Image 8
Grandstream Networks HT386 Lines/SIP Accounts, Protocol Support, Feature Keys, LAN/WAN Interface, Device Management

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.