Polycom DOC2230A - Manual (Page 73)

Chapter 3 - Initial System Configuration
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18. Click OK to return to the Span dialog box.
The new span is added to the Spans table.
19. In the Spans dialog box, click Finish to complete the IP Network
Service definition.
The new network service is added to the IP Network Services list.
The following icons are used to indicate the Network Service types:
Table 3-18: Network Service Icons
Icon Description
The Network Service supports both SIP and H.323
connections.
The Network Service supports only H.323
connections.
The Network Service supports only SIP connections.
The Network Service supports only ISDN
connections.