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.
Sahar Services best telecommunication company of canada specializes in VOIP Phone System,Sip Trunking Calgary Canada, Hosted pbx Calgary Canada, phone system Calgary Canada, pbx phone systems Calgary Canada.