Draytek VigorIPPBX 3510 Series, Руководство пользователя

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VigorIPPBX 3510 Series User’s Guide 36
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The establishment of IP registration is made through WAN port.
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Ext. 307 and 302 are registered 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.801, 802, 803, and 804 are connected to ISDN PBX.
ISDN Phone: with extension No. 801
ISDN Phone: with extension No. 802
ISDN Phone: with extension No. 803
ISDN Phone: with extension No. 804
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The IP phone with ext. 301 on Internet made a call to the remote ISDN Phone (Ex:
801): Dial to SIP trunk number 307; then dial ISDN trunk number 0 to connect to
ISDN PBX. After getting through you can hear the dial tone, press ext. No. 801.