Lucent Technologies Release 8.2 manual 316 CID

Distributed Communications System B Private Networking

Error Condition	Action
DCS link not up.	The call is routed to the remote coverage
or	point. If the call is answered, it is treated as
	Call Coverage Off Premises (also called
DCS trunk is not available.	Remote Call Coverage). If the call is
or	redirected at the remote coverage point
	before the DCS SRI expires, the remote
DCS Call Coverage feature	point’s path is followed. If the call is not
is not activated on the	answered within the DCS SRI time-out
remote system.	period, the next coverage point is tried with
	DCS Call Coverage from the local system.
All trunks to the remote	The next coverage point is tried with DCS
system, DCS or otherwise,	Call Coverage from the local system.
are busy

~When the DCS link is down, call consult operates differently. If Station A calls Station B but the call covers to Station C, then Station C consults back to Station B and Station B receives the consult call on the next call appearance.

~DCS Call Coverage does not support Coverage Call Back from a remote node.

Additionally, in some DCS Call Coverage situations, call coverage operation may deviate, including:

~A call to the principal redirects to the remote coverage point, which is unavailable. The coverage point is considered unavailable when:

•The coverage point is not a valid extension, QDN, or VDN.

•The coverage point is busy with no hunting, forwarded, or has send all calls activated, or activates send all calls after ringing.

•The coverage point has no staffed agents or an invalid vector.

When the coverage point is unavailable, the local system determines the availability status from a time-out or from a message from the remote system. When the local system discovers that the coverage point is unavailable, it tries the next coverage point. If the last coverage point is unavailable, the previous coverage point rings until it is answered or until the caller hangs up. If only one coverage point exists in the path and it is unavailable, the principal’s station rings until it is answered or until the caller hangs up.

~A call to the principal is forwarded and the forwarded-to extension is not available. In this case, the first coverage point in the principal’s path is tried. Note that the coverage does not follow the forwarded-to extension’s coverage path.

~A call to the principal redirects to the remote coverage point, which answers. Subsequently, the principal goes off hook. In this case, the local system bridges the principal onto the call between the calling party and coverage point creating a conference among the three. The principal receives the call on the same call appearance as the original call.

		Administration for Network Connectivity
316	CID: 77730	555-233-504 — Issue 1 — April 2000