High quality low cost USB Sip Phone good for resident& office use

USB SIP phone 1.We have patent for this model 2.sim card in, can import the namebook 3.good for gsm operation to promote Patent product: Sim Card in USB skype Phone  1.Skype  phone/X-Lite USB phone supporting SIM card 2. multi-language support:Chinese/Japanese/Spanish/English3.Patented4.It can store phone numbers by SIM card,and the numbers can be checked and dialed  out expediently5.The application supporting skype and x-lite(using SIP protocol) can be supplied.6.The SDK of the device is open,so  clients can  develop the application.  to support other VoIP softphones7.Develop the application to support other VoIP softphones as the client's demand,but the client need to get the softphone's API.8.128*64 dotrix LCD,blue backlight,speaker functiong,and suits for all language Three sides of application to use IPT-110S: 1.Check the phone book in mobile phone's SIM card,and dial out the numbers by VoIP  softphone as skype,x-lite and so on2.VoIP server can issue their own SIM card to identify users in internet just like the  wireless progress of mobile phone.It is safe and simple and convenient for users to  get the serve on any PC.The unit also can store phone book for user to check and  dial.VoIP server  also can use the existing SIM card of mobile phone and realize the  same function  through the cooperation with mobile phone server.3.If mobile phone server also supply VoIP serve,it is very possible that  reciprocal calls  are entirely realized between mobile phone and VoIP phone,and with  the same  one piece of SIM card,maybe two pcs of  SIM cards but one identity,users can range   between the mobile phone system and VoIP system. For example:A  VoIP server ask us to supply the device and SDK of IPT-110S,whocooperated with local mobile phone server,if user not inserting SIM card,user can onlycall IP to IP without any fee,if user inserting SIM card,the  corresponding applicationwill get the data and resend to the internet server of mobile phone system,if the SIMcard is identified effective,user can call IP to phone,the calling fee is charged up bymobile phone system and balanced on the SIM card accounts.Afterwards,VoIP serverwill balance the fee with mobile phone server according the call history Overview:.

High quality low cost USB Sip Phone good for resident& office use