We mainly provide from 20 to 500 extensions office ip pbx voice solutions, used Asterisk as IP-PBX server to integrate with SIP gateway, asterisk is the best popular open source ip pbx software, there are many many company using asterisk based on PBX phone system in the world ; in the solutions FXS ports gateway will register to asterisk as local or remote extensions, and FXO ports or E1/T1 ports gateway as SIP trunk for inbound and outbound calls;
The solution can provide all features of PBX, example: Conference, Voice mail, Blind transfer, Attended Transfer, Call Pickup, Recording, Ring Group, IVR, Music on hold, DID, Call forward, Call park, CDR, Call back...
And you can add new local or remote extensions any time and any where with lowest cost, the office IP-PBX phone system will improve your work efficiency, and will reduce communications cost; specially for the company who with many branchs;
We work with voip 6 years, we have professional software develpoer and technical support peoples team, our office ip-pbx phone system had many successful case for call center, school, hotel, enterprise.., so we hope to share all solutions with you;