Call Forward No Answer, Second Level
Second Level Call Forward No Answer enhances Flexible Call Forward No
Answer by forwarding unanswered calls twice. The following example best
illustrates this enhancement.
Party A places a call to extension 5000, which does not answer. Extension
5000 has Call Forward No Answer (CFNA) allowed and extension 6000
defined as its CFNA number. The call forwards to extension 6000. This is the
first level CFNA.
Extension 6000 also does not answer the call. This telephone has a Call
Forward No Answer and Second Level Call Forward No Answer allowed
Class of Service (FNA and SFA). As it has a CFNA number of 7000, it
forwards there. This is the second level of Call Forward No Answer. Note that
the forwarding DN is always obtained from the currently ringing telephone.
If extension 7000 does not answer the call, one of two things may occur:
— If the original call is a Direct Inward Dialing (DID) or internal call, the
forwarded call continues to ring until answered or the calling party
disconnects.
— If the original call is extended by the Attendant Console, Attendant
Recall occurs.
Second Level Call Forward No Answer uses the same customer-level timer
as Flexible Call Forward No Answer to determine the number of rings before
forwarding a call.
Telephones with a message waiting allowed (MWA) Class of Service should
have the Message Center DN defined as their FDN. Calls to these telephones
forward to the Message Center and are not eligible for Second Level Call
Forward No Answer.
Call Forward No Answer, Second Level
553-3001-305 Standard 14.00 October 1997
Call Forward No Answer Second Level for Message Waiting Allowed
Telephones, X11 Release 15 and later enables an SFA Class of Service to be
defined on telephones with a Message Waiting Allowed (MWA) Class of
Service. Thus, a message waiting indication can be activated at the originally
dialed DN for Second Level CFNA calls terminating at a message center.
Requirements at the dialed DN for first-level CFNA are as follows:
— Flexible Call Forward No Answer or Hunting is allowed at the customer
level for the incoming call type (DID, non-DID, or internal).
— The telephone has an FNA Class of Service.
— The terminating call has rung for the number of rings specified for CFNA
or DFNA in the Customer Data Block (LD 15).
— The forwarding DN (Flexible Call Forward No Answer DN [FDN],
Coordinated Dialing Plan DN [CDP DN], External Flexible DN [EFD],
Hunting [HNT], or External Hunt [EHT]) must be distinct from the
ringing DN and be a valid number within the system.
Requirements at the originally called telephone DN for Second Level Call
Forward No Answer are as follows:
— Flexible Call Forward No Answer or Hunting is allowed at the customer
level for the incoming call type (DID, non-DID, or internal).
— The telephone has SFA and FNA Class of Service.
— Call Forward No Answer has occurred only once prior to ringing this
telephone.
— The forwarding DN (FDN, EFD, Hunt, or EHT) must be distinct from the
ringing DN and must be a valid number within the system.
The order of precedence for activation of first level Call Forward No Answer
is as follows:
— Call Forward All Calls
— Message Waiting
— Call Forward No Answer, and
— Attendant Recall.
Call Forward No Answer, Second Level
The order of precedence for activation of Second Level Call Forward No
Answer is as follows:
— Call Forward All Calls
— Second Call Forward No Answer (CFNA calls only), and
— Attendant Recall.
