VOIP PI Co., Limited. is a one of the leading asterisk telephony card manufacturer in china, with passion in supplying open souce hardware.
VOIP PI Co., Limited. is a one of the leading asterisk telephony card manufacturer in china, with passion in supplying open souce hardware.
We specialize in
Fax Store-and-Forward
and Fax Broadcast,
Real competitive
low-cost International Calling,
Callback and Call-through,
Conferencing
as well as
VoIP Phone Services
and Voice Wholesale