2.  Analog  Digital  ISDN  Consoles

3. Analog is a technology takes audio or video signal and translating it into electronic pulses. Although analog phones have some technical differences in different countries, they all operate on similar principles.

4.  Vendors › AASTRA › Telematrix › TMC › PolyCom

5. 80048009 9110 91169116LP9120 92169316CW9417CW390 Screenphone470 Screeenphone480e Screenphone http://www.aastra.com/cps/rde/xchg/SID-3D8CCB6A-4697422A/04/hs.xsl/19545.htm

6. SCT-7300SCT-700155-C2510D (MW)SP750 LP550SP550 SP400 SP300SP100 http://www.telematrix.net/telematrix-products/business

7. EV4500EV4300800-EFM810-ECA VM2000VM4000 http://www.tmccorporation.com

8. SoundStation VTX 1000 SoundStation2W Voice Station 300 Voice Station 500 SoundStation2 Soundpoint 220 Soundpoint 225

9. Digital is a technology which takes audio or video signal and breaking the signal into a binary format where the signal is represented by a series of “1”s and “0”’s.

10.  Vendors › AASTRA › Telematrix

11. M6310M6320M622 M5008M5208M5216M5316M522

12. DC550DC640

13. There are two types of ISDN: Primary Rate Interface (PRI) and Basic Rate Interface (BRI). PRI is commonly used to provide trunking facilities between PBXs and the PSTN, and is widely deployed all over the world. BRI is not as popular in North America, but is common in Europe. BRI was mainly used in North America to provide multi –line capabilities in none DMS switches. However, it was very popular for use in video – conferencing equipment.

14.  Vendors › Fujitsu › Lucent (MD) › Tone Commander

15. 9912-SP9924

16. I2021 (MD) 8510 (MD)8520 (MD) I2022 (MD)

17. 6210 6220 6220 TSG Secure

18. What is an attendant console? Telephone stations that are generally part of a private branch exchange (PBX) or Centrex or other private telephone system. An attendant console can be a regular PBX telephone station with one or more additional modules each bearing numerous buttons that can be programmed to be associated with particular lines in the private telephone system, or with particular specialized functions. The attendant console provides control for many call management features and answers and routes incoming calls. A common example for the use of an attendant console is as follows:  A caller dials a firm's main telephone number,  The attendant (receptionist) answers,  The caller asks for a particular individual or department  The attendant puts the call through - if the line is idle - or,  Offers to route the call to voice mail.

19.  Conveyant System  TeleDirectory PC Based Consoles  TeleDirectory for ISDN  TeleDirectory for Meridian Business Sets  TeleDirectory for SIP/IP Hosted Solutions  T-Metrics › PC-based PhoneGroup console  TEO › Tone Commander  Analog (MD)  ISDN

20. Tone Commander 1030Tone Commander 1050 (MD)

21. 2260d 40d120