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1 making internal calls, 1 configure sip extensions, Figure 10 internal calls – ZyXEL Communications IP PBX X6004 User Manual

Page 57: Making internal calls, Configure sip extensions

1 making internal calls, 1 configure sip extensions, Figure 10 internal calls | Making internal calls, Configure sip extensions | ZyXEL Communications IP PBX X6004 User Manual | Page 57 / 592 1 making internal calls, 1 configure sip extensions, Figure 10 internal calls | Making internal calls, Configure sip extensions | ZyXEL Communications IP PBX X6004 User Manual | Page 57 / 592
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