Figure 9-16 presents an example of MGCP in action. I have used SGCP [ARAN98] for this example. Additional examples are provided in [HUIT98a].[6]Figure 9-16 is divided into two parts. The first part in Figure 9-16(a) shows events 1–24; the second part in Figure 9-16(b) shows events 25–37. Two Gateways are involved, a residential Gateway and a trunking Gateway. In addition, the common database is shown, as well as an accounting Gateway. Here is a description of each event:

[6] [HUIT98a] Huitema, Christina, Andreasen, Flemming, Arango, Mauricio, "Media Gateway Control Protocol (MGCP) Call Flows." Draft-huitema-mgcp-flows-00.txt, November 11, 1998.l.

  • Event 1: The NotificationRequest command must be sent to the residential ...

Get Voice Over IP now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.