Vanakkam Tamilagam Agencies , Coimbatore, (8 EXTN TO 512 EXTNS, ISDN COMPATIBILITY (BRI/PRI), RELIABLE NETWOKING TI/EI, E & M, PC PHONE/PC CONSOLE, PERSONALISED CALLER ID, INTEGRATION WITH VOICE PROCESSING SYSTEM, SYTLISH EASY TO USE EFFICIENT DIGITAL PHONE)