NEC Neax 2400 Ipx Isdn Features And Specifications

NEAX2400 IPX ISDN Features and Specifications
Page 156NDA-24311, Issue 1
C-158 Call Forwarding Supplementary Service (SS-CF) with Rerouting
C-158 Call Forwarding Supplementary Service
 (SS-CF) with Rerouting
General Description
This feature provides Call Forwarding service activated following ETS 300 257 protocol (SS-CF). By using this
feature, all incoming calls can be forwarded automatically after the destination is programmed against the called
party. Also, rerouting function is activated with SS-CF...

NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 157
Call Forwarding Supplementary Service (SS-CF) with Rerouting C-158
General Description (cont’d)
2. Rerouting Function
In order to select the most proper routing (prevent to keep holding the unnecessary line), the line from the
calling party to the forwarded destination is newly established when SS-CF service is successful. LCDs
of stations concerned with this service are shown below.
Example) SS-CFU is used in this example.
Station...

NEAX2400 IPX ISDN Features and Specifications
Page 158NDA-24311, Issue 1
C-158 Call Forwarding Supplementary Service (SS-CF) with Rerouting
Operating Procedure
To set the service
The SS-CF service setting should not be duplicated. The following operations (either by the access code or by the
feature/soft key) should be performed for each service.
Note:The CF-B and CF-NR can be set/cancelled at one time depending on the system data.
Using the access code
1. Lift the handset; receive dial tone.
2. Dial...

NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 159
Call Forwarding Supplementary Service (SS-CF) with Rerouting C-158
Service Conditions (cont’d)
7. When the station is called back, the SS-CF service is not activated. (The call is not forwarded to the
destination, but the call is terminated at the called station.)
8. When multiple SS-CF services are set:
 Maximum number of times for Call Forwarding is five (depending on the system data).
 The above-mentioned number is described...

NEAX2400 IPX ISDN Features and Specifications
Page 160NDA-24311, Issue 1
C-158 Call Forwarding Supplementary Service (SS-CF) with Rerouting
Service Conditions (cont’d)
Rerouting Function
1. Rerouting function is available when:
a.) SS-CF service is available.
b.) Bearer Capability information of speech or 3.1 kHz audio is available for rerouting function.
(Unrestricted digital data cannot be forwarded and the line is disconnected.)
c.) Transmission speed rate is 64 kbps.
d.) Each of the calling party and...

NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 161
Call Forwarding Supplementary Service (SS-CF) with Rerouting C-158
Service Conditions (cont’d)
5. When the selected route for forwarding a call (from the called station to the forwarded-to station) is other
than Q-SIG line, Call Forwarding service is activated without rerouting function. See the figure below.
6. When there is no route that supports Q-SIG protocol in the route selection data from a calling party to a
called station,...

NEAX2400 IPX ISDN Features and Specifications
Page 162NDA-24311, Issue 1
C-158 Call Forwarding Supplementary Service (SS-CF) with Rerouting
Service Conditions (cont’d)
7. Reestablished route is decided by the routing selection pattern data programmed at the office where the
calling party is accommodated or at the gateway PBX office to the called station. Therefore, the improper
route or the route that is the same as before rerouting function may be selected depending on the office
data. 
For Example 1)...

NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 163
Call Forwarding Supplementary Service (SS-CF) with Rerouting C-158
Interactions
Call Forwarding - Supplementary Service
1. When CALL COMPLETION ON NO REPLY (CCNR) is used with this feature that conforms to Q-SIG:
Note:CCNR available for the Q-SIG network.
SS-CFU: CCNR is not available for the station to be set the SS-CFU.
SS-CFB: CCNR is activated against the forwarding station (called station) even when the feature is set
to the...

NEAX2400 IPX ISDN Features and Specifications
Page 164NDA-24311, Issue 1
C-158 Call Forwarding Supplementary Service (SS-CF) with Rerouting
Interactions (cont’d)
7. When the OFF HOOK QUEUING [O-7] service is used with this feature:
SS-CFNR: When the call is forwarded to the trunk by SS-CFNR and the destination trunk is busy, OFF
HOOK QUEUING is not available (the call continues to be placed at the trunk).
SS-CF (except SS-CFNR):
When the idle destination picks up the call after the call is queued using...

NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1
Page 165
Call Transfer Supplementary Service (SS-CT) with Rerouting C-159
C-159 Call Transfer Supplementary Service
 (SS-CT) with Rerouting
General Description
This feature provides CALL TRANSFER activated to be followed by ETS 300 260 protocol (SS-CT). By using this
feature, the station can hold the handling call to transfer to the remote terminal. The rerouting function is also
activated with SS-CT service.
The functions of this feature...