Lucent Technologies 555-661-150 manual System L. Calling

Table 2–18. Intersystem Calling: Scenario 3, Continued

		Caller	Routed
Type of Call	Caller	Dials	via...	Recipient	Recipient Sees...
		￿￿￿￿￿￿￿
Outside PRI-ANI dial-plan	Outside to	￿	All PRI with	System M: Call is sent to	Not applicable
routed call to local extension	System M: ext 3254		PRI routing	integrated VMI calling
on System M. Extension is				group 7771 (with VMI
busy or unavailable.				conversion number
centralized VMS/AA provides				6999). The system finds
coverage.				the group member in the
				non-local dial plan.
				Routes via UDP pattern
				4 to tandem PRI trunk
				pool 8761. UDP routing
				absorbs 6999 and
				prepends 7771 (System
				L’s centralized VMS/AA
				calling group extension).
				Call is answered by
				centralized VMS/AA on
				System L. Calling
				information sent to
				centralized VMS/AA
				indicates outside call. If
				caller leaves a message,
				Message Waiting light is
				updated at extension
				3254. The Message
				Waiting light update is
				sent over private network
				using PRI signalling D-
				channel.
					Continued on next page

2 Call-Handling Scenarios Network Configuration Scenarios	MERLIN LEGEND Communications Network Reference 555-661-150
	System Release 6.1

Page2-72 Issue 1 August 1998