Siemens Enterprise OpenStage 40 SIP IP-phone is a great solution for people working in the permanent place. This model features a large display and easy setup of various protocols such as TDM, HFA and SIP.
We are offering Reseller Level-I,II,III with high Quality.
We have Mobile Dialer, GPlex Dialer, SIP Dialer, Eazzy Dialer.
If you are doing VOIP Business in Middle East KSA, Oman, Dubai and other country you can contact with me.