Aastra 800 Brochure Aastra 800 - Page 7
DECT over IP in branch office, home office, Complete system - QSIG over IP network
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DECT over IP in branch office, home office Head o ce Branch o ce with a LAN DECT Internet Aastra 800 VPNRouter VPN tunnel VPN router DECToverIP with a handover RFP 32 IP function Complete system - QSIG over IP network Site 1 - London Site 2 - Berlin S02 Q.SIG over IP PSTN1 Internet S02 Q.SIG over IP Aastra 800 VPNRouter DECT VPN tunnel VPN router Aastra 800 DECT (1) Public Switched Telephone Network (2) Appropriate gateway required 7
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7
DECT over IP in branch office, home office
DECT
Head office
Internet
VPN tunnel
VPN router
VPN-
Router
Aastra 800
RFP 32 IP
DECToverIP
with a handover
function
Branch office with a LAN
Complete system – QSIG over IP network
S
0
2
S
0
2
Site 1 – London
Site 2 – Berlin
Internet
VPN tunnel
Q.SIG over IP
Q.SIG over IP
DECT
DECT
PSTN
1
VPN
router
VPN-
Router
Aastra 800
Aastra 800
(1) Public Switched Telephone Network
(2) Appropriate gateway required