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Telesis Phones
Telesis DTS821 Executive Digital Telephone Set
DTS821 is an executive digital telephone set for Telesis Hybrid IP PBX Business Phone Systems and the X1 for the comfort of the user. DTS821 has easy-to-use access menu keys and numerous dedicated keys for various telephony tasks and personnel settings. It has a large backlighted graphic LCD.
DTS821 is connected and powered by a single pair of wires. The set handles multiple calls simultaneously, such as receiving a new call while keeping another on hold.
DTS821 in white color
A few of easy-to-use functions with the DTS821 are:
- in idle state:
- access to missed calls list
- access to dialed numbers list
- access to incoming calls list
- access to directory
- playing, deleting voice messages and recorded conversations
- setting volume
- setting ringer volume
- selecting ringer melody
- programming function keys
- programming quick access keys
- setting call forward unconditional
- setting call forward busy
- setting call forward no-reply
- setting hotline
- activating call waiting
- activating do not disturb
- activating wake-up (reminder) service
- observing firmware version
- in other states:
- deflecting calls
- activating call back
- holding calls on
- retrieving calls
- transferring calls
- tracing transferred calls (up to 4 calls)
- activating conference
- recording the conversation bi-directionally (both calling and called party voices)
DTS821 in gray color
Intelligent algorithms within the operating system of the Telesis Hybrid IP PBX Business Phone System and X1 make the firmware upgrade of DTS821 digital sets automatic whenever new features are added in time. Furthermore, since all the user parameters are stored in the system, replacing and / or upgrading a DTS821 digital set does not require any re-programming.
Technical Specifications:
| LCD | |
| Type | Backlighted, graphic |
| # of rows | 8 |
| # of columns | 25 |
| Total # of characters | 200 |
| KEYS | |
| Total # of keys | 62 |
| Dial keypad | 4x3, continuously backlighted for fashion and usability |
| Navigation | 5 keys |
| Call park | 4 backlighted keys |
| Call record | 1 red backlighted key |
| Call transfer | 1 key |
| Volume control | 2 keys (up and down) |
| Shift function | 1 green backlighted key |
| Quick access | Backlighted 30 keys (120 quick access with using the Shift key) |
| Redial | 1 key |
| Transfer | 1 key |
| Disconnect | 1 key |
| Conference | 1 key |
| Speakerphone | 1 backlighted key |
| Mute | 1 backlighted key |
| Flash | 1 key |
| Function keys | 3 keys (12 functions with using the Shift key) |
| Text keypad | 30 characters (English Alphabet plus others) |
| OTHERS | |
| Headphone jack | Yes |
| Microphone jack | Yes |
Telesis DTS821S Digital Telephone Set
DTS821S is the digital telephone set offering advanced telephony tasks similar to these of the DTS821 executive set. Users without need of many quick access keys may choose the DTS821S and get the benefits of the Telesis Hybrid IP PBX Business Phone Systems.
DTS821S in white color
Telesis DTS200S Digital Economy Telephone Set
DTS200S is a good match for economy and utility. DTS200S offers the comfort of digital voice quality as well as numerous value added services like one-key-touch personal conversation recording.
DTS200S in white color
Telesis ITS821 Executive IP Telephone Set
ITS821 is the IP version of the DTS821 digital set. It is specially designed for Telesis Hybrid IP PBX Business Phone Systems and the X1. The applied VoIP protocol is Telesis xSIP (eXtended SIP) protocol, which allows value added services of the DTS set to be functional over IP.
ITS821 in white color
Beyond the comfort and availability of value-added services, xSIP also allows secure communication with utilizing AES-256 media encryption. Telesis Business Phone Systems, TDM-IP Telephony Switches, as well as ITS821 Executive IP Telephone Sets support AES-256 over xSIP protocol.
Telesis ITS821 IP telephones connected to a Telesis system. AES 256 media encryption over xSIP
Security of VoIP communication between an ITS821 IP Telephone Set and a Telesis IP Telephony System is ensured with:
- Telesis developed protocol: xSIP
- proprietary VoIP codes
- intelligent algorithms for authentication
- exchange of Diffie-Hellman half keys
- cipher AES-256
Furthermore, the media encryption solution with ITS821 Telephones:
- is easy-to-install
- usually does not need to tackle Firewall and NAT issues
- is easy-to-manage and -operate
- may operate anywhere with the internet connection
- is cost-effective
- needs a small bandwidth
- is protected against Man-in-the-Middle Attacks
Telesis XPhone VoIP Softphone for PC
XPhone is the VoIP softphone with xSIP protocol and supports almost all the functions of the ITS821 on a Windows PC (XP or Vista). The XPhone may operate on a PC with internet connection and it does not need to tackle Firewall and NAT issues. It is an easy-to-install softphone and may operate anywhere with the internet connection. Thanks to intelligent algorithms and proprietary VoIP codecs within the XPhone, the bandwidth requirement is very small.
XPhone VoIP softphone for the PC
Beyond the comfort and availability of value-added services, xSIP also allows secure communication with utilizing AES-256 media encryption. Telesis Business Phone Systems, TDM-IP Telephony Switches, as well as XPhone VoIP softphone (PC edition) support AES-256 over xSIP protocol.
XPhone softphones connected to a Telesis system. AES 256 media encryption over xSIP
Security of VoIP communication between an XPhone VoIP softphone and a Telesis IP Telephony System is ensured with:
- Telesis developed protocol: xSIP
- proprietary VoIP codes
- intelligent algorithms for authentication
- exchange of Diffie-Hellman half keys
- cipher AES-256
Furthermore, the media encryption solution with XPhone VoIP softphones:
- is easy-to-install
- usually does not need to tackle Firewall and NAT issues
- is easy-to-manage and -operate
- may operate anywhere with the internet connection
- is cost-effective
- needs a small bandwidth
- is protected against Man-in-the-Middle Attacks
Telesis XPhone Mobile VoIP Softphone for Pocket PC Phone
XPhone is the VoIP softphone with xSIP protocol and supports many the functions of the ITS821 on a Pocket PC Phone with:
- Windows Mobile 2003
- Windows Mobile 2003 Second Edition
- Windows Mobile 5
- Windows Mobile 6
The XPhone may operate on a Pocket PC and it does not need to tackle Firewall and NAT issues. Thanks to intelligent algorithms and proprietary VoIP codecs within the XPhone, the bandwidth requirement is very small.
XPhone VoIP softphone for the pocket PC
Telesis XPhone Mobile VoIP Softphone for Smartphone
XPhone is the VoIP softphone with xSIP protocol and supports many the functions of the ITS821 on a Smartphone with:
- Windows Mobile 2003
- Windows Mobile 2003 Second Edition
- Windows Mobile 5
- Windows Mobile 6
The XPhone may operate on a Smartphone and it does not need to tackle Firewall and NAT issues. Thanks to intelligent algorithms and proprietary VoIP codecs within the XPhone, the bandwidth requirement is very small.
XPhone VoIP softphone for the Smartphone
Telesis WebPhone
Telesis WebPhone is a SIP softphone or client applet hosted in Telesis IP PBX, Telesis TDM - IP telehony systems, Stillink access gateways and Stillink signaling converters. The applet can be run from any java enabled web browser. Since it is a standard java applet, no software installation is required or no plugin is installed. The applet is just loaded temporarily onto the client`s browser. It can be used wherever is an access to the Internet. A web browser, a microphone, and a headset are sufficient to make calls.
Telesis WebPhone Main Page for the Browser
Telesis WebPhone is completely an independent application. It works with all main browsers such as Internet Explorer, Mozilla Firefox, Opera, Google Chrome, or Safari. The feature empowers web sites of Telesis system owners. Deploying the webphone on a web site is just an issue of placing a simple html link to the hosting Telesis system.
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