Unifield Communication,VoIP,Digium/Asterisk,IP Call Centre, IP Office Telephony, Call Centre eCRM, IVRS, VoIP Gateway, IP Phone,Guangzhou Olantel Communications Technologies Co., Ltd.


Asterisk Appliance	Digital Telephony Devices	Analog Telephony Devices

Voice Processing	Asterisk Business Edition	Licensing

High Performance Echo Cancellation	G.729 Codec