NEC Aspila Topaz PBX 
 The latest digital telephone systems group, Aspila Topaz prepare for the future. Product design from the beginning and gradually increase the small business, it can from 3 trunks / 8 extensions to 27 trunks extended / 72 ext. It fully supports the ISDN BRI, mixing the port for any telephone connection, caller ID detection, voice response system, built-in DISA function, and the most important thing is the quality of NEC products, good reputation. Caller ID detection and transmission (built) 
 NEC PABX, caller ID feature displays the incoming phone number and / or name, so they can answer the phone before the caller to know the identity, and you can browse up to 16 missed calls information. Caller ID support common machine (built in) the most economical route / automatic route selection