Draytek VigorIPPBX 2820 Series, Руководство пользователя

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VigorIPPBX 2820 Series User’s Guide 43
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The establishment through DSL Internet.
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Flexible second WAN for back-up.
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IP-based telephones are connected to LAN ports and set with ext. no. 101, 102 & 103.
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The IP-based telephones (101, 102, and 103) and remote IP-based phone are registered
On the Vigor
IPPBX 2820.
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The IP-based phone with ext. no. 201 is at remote site.
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The Vigor IPPBX 2820 seamlessly integrate with ITSP services (allow you to register at
a SIP server).
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The remote IP-based phone with ext. 301 is registered at a SIP server.
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The ISDN phone with ext. no. 701 is connected to NT-interface of the VigorIPPBX
2820.
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The ISDN PBX is connected to TE-interface of the VigorIPPBX 2820. The ISDN
phones with ext. no. 601 and 602 are connected to ISDN PBX.
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The ISDN PBX also provides analog extensions to allow analog phones to be
connected. The analog phone with ext. no. 603 is connected at the ISDN PBX.