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.
Asnatel Ltd, Registered company in UK. We deals in Wholesale VOIP Termination,Calling Card Solutions, Hosted Voip We have 4 core routes and full A2Z in very compitant rates.