Nortel Networks Remote Gateway 50 manual Appendix a Media Redirection Scenarios Page 249

Appendix A: Media Redirection Scenarios Page 249 of 258

Table 21

Scenario 3.2: Conference call between main office and branch office, initiated by main office IP Phone

Event		Result
1	An SRG TDM telephone calls a main office	A speech path is established between the
	IP Phone.	SRG TDM telephone and the main office
		IP Phone. The zone table indicates interzone
		bandwidth usage.
2	The main office IP Phone initiates a	The SRG TDM telephone is put on hold. A
	conference call to an SRG IP Phone	speech path is established between the main
	registered to the main office.	office IP Phone and the SRG IP Phone
		registered to the main office. The zone table
		indicates interzone bandwidth usage.
3	The Conference key on the main office	Speech paths are established among the
	IP Phone is pressed to complete the	SRG TDM telephone, the SRG IP Phone
	conference call.	registered to the main office, and the main
		office IP Phone. The zone table indicates
		interzone and intrazone bandwidth usage.
4	The SRG TDM telephone releases the call.	A speech path is established between the
		SRG IP Phone registered to the main office
		and the main office IP Phone. The zone table
		indicates interzone bandwidth usage.
5	The call is released.	The zone table indicates bandwidth usage for
		the call is unreserved correctly.

Main Office Configuration for Survivable Remote Gateway 50 Configuration Guide