Daylight Savings

 

Controls whether displayed time is daylight savings time or not. If set to “Yes”

 

 

 

 

 

Time

 

and the Optional Rule is empty, then the displayed time will be 1 hour ahead of

 

 

 

 

normal time.

 

 

 

 

 

• The “Automatic Daylight Saving Time Rule” has the following syntax:

 

 

 

 

o start-time;end-time;saving. Both start-time and end-time have

 

 

 

 

 

the same syntax: month,day,weekday,hour,minute

 

 

 

 

o month: 1,2,3,..,12 (for Jan, Feb, .., Dec)

 

 

 

 

o

day: [+-]1,2,3,..,31

 

 

 

 

o weekday: 1, 2, 3, .., 7 (for Mon, Tue, .., Sun), or 0 indicating

 

 

 

 

o

daylight savings rule is based on the day of the month.

 

 

 

 

hour: hour (0-23),

 

 

 

 

o

minute: minute (0-59)

 

 

 

 

• If “weekday” is 0, it means the date to start or end daylight savings is

 

 

 

 

the given date. The “day” value must not be negative.

 

 

 

 

• If “weekday” is not zero and “day” is positive, then daylight saving starts

 

 

 

 

on the first “day” of the week (1st Sunday, 3rd Tuesday etc).

 

 

 

 

• If “weekday” is not zero and “day” is negative, then daylight savings

 

 

 

 

starts on the last “day” of the week (last Sunday, 3rd last Tuesday etc).

 

 

 

 

• Daylight savings is in minutes. If preceded by a (-), then subtract the

 

 

 

 

number of minutes.

 

 

 

 

The default value for “Automatic Daylight Saving Time Rule” is US time:

 

 

 

 

“04,01,7,02,00;10,-1,7,02,00;60”.

 

 

 

 

Example: US/Canada, where daylight savings is applicable:

 

 

 

 

04,01,7,02,00;10,-1,7,02,00;60

 

 

 

 

Daylight savings starts from the first Sunday of April at 2AM and ends the last

 

 

 

 

Sunday of October at 2AM.).

 

 

 

 

 

 

 

 

 

 

 

 

 

Device Mode

 

Enables use of the device as a router or a bridge.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WAN side

 

If set to “Yes”, user can access the configuration page through the WAN port,

 

 

 

 

 

HTTP/Telnet

 

instead of through the “PC” port. Warning: this configuration is less secure than

 

 

Access

 

default option. Default is No.

 

 

 

 

 

 

 

 

 

 

 

 

 

Reply to ICMP on

 

If set to “Yes”, the HT–496 will respond to the PING command from other

 

 

 

 

 

WAN port

 

computers, but it also is vulnerable to the DOS attack. Default is No.

 

 

 

 

 

 

 

Grandstream Networks, Inc.

HT–496 User Manual

Page 18 of 33

 

Firmware 1.0.3.64

Last Updated: 1/2007

VoIPon www.voipon.co.uk

sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030

Page 17 Page 19
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Image 18
Grandstream Networks HT-496 Daylight Savings, Time, Device Mode, WAN side, HTTP/Telnet, Access, Reply to Icmp on, WAN port
Page 17 Page 19

HT-496 specifications

Grandstream Networks HT-496 is a cutting-edge Analog Telephone Adapter (ATA) designed to bridge the gap between traditional telephone systems and modern Voice over IP (VoIP) networks. As telecommunications technologies continue to evolve, devices like the HT-496 play a crucial role in ensuring seamless communication across diverse platforms.

One of the main features of the HT-496 is its ability to support up to four simultaneous calls. This is particularly advantageous for small to medium-sized businesses that rely on efficient communication to manage customer interactions and internal coordination. The device comes equipped with two FXS ports, enabling users to connect their existing analog telephones directly, ensuring that they can continue using familiar equipment while benefiting from the advanced features of VoIP technology.

The HT-496 supports a variety of voice codecs, including G.711, G.726, G.729, and G.722, allowing for high-quality audio transmission even in bandwidth-constrained environments. This flexibility ensures users can choose the codec that best fits their specific network conditions, optimizing both call clarity and resource efficiency.

In terms of management and security, Grandstream has integrated several advanced technologies into the HT-496. The device includes support for SIP (Session Initiation Protocol), making it compatible with a wide range of VoIP services. Additionally, it features various security mechanisms, such as SRTP (Secure Real-Time Transport Protocol) and TLS (Transport Layer Security), ensuring that voice communications are encrypted and protected from potential threats.

Installation and configuration of the HT-496 are user-friendly, thanks to its web-based interface. This makes it easy for both technical and non-technical users to manage settings, adjust parameters, and monitor system performance. Furthermore, the device supports automatic provisioning, allowing for quick setup with minimal manual intervention.

Another notable characteristic of the HT-496 is its compact design, which enables easy placement in any office environment. Its durable construction ensures reliable operation over time, making it a cost-effective solution for businesses looking to transition to VoIP technology without discarding their existing analog devices.

In summary, the Grandstream Networks HT-496 features a robust design, compatibility with a variety of voice codecs, advanced security protocols, and user-friendly management options. These characteristics make it an essential tool for businesses seeking to enhance their communication systems while maintaining a connection to traditional telephony. By investing in the HT-496, organizations can simplify their transition to VoIP and unlock the full potential of modern telecommunications.
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