Page 26 of 770 Description
553-3001-365 Standard 3.00 September 2004
Software delivery
IP Line 4.0 supports software delivery through the following formats:
1 CompactFlash
2 Signaling Server CD-ROM
3 Download from the Nortel Networks web site
Note: Stand-alone IP Line 4.0 software is not available through
CD-ROM.
2 If the primary Signaling Server fails, the backup Signaling Server takes over and
all IP Phones register with the backup Signaling Server.
3 If the backup Signaling Server fails, one of the Voice Gateway Media Cards is
elected to be the node Master.
4 The IP Phones then register to the Voice Gateway Media Cards.
Without a backup Signaling Server
1 If there is no backup Signaling Server, and the primary Signaling Server fails, one
of the Voice Gateway Media Cards is elected to be the node Master.
2 The IP Phones then register to the Voice Gateway Media Cards.
Table 3
Methods of Signaling Server redundancy (Part 2 of 2)
Stage Description
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