NEC Univerge SV8100 Features And Specifications Manual page 1096

Issue 11.0
In the Callback to Cell Phone feature set Program 15-22-04 to 1. If the Cell Phone user

continues to ring over the time set in Program 22-01-12, the system answers the call as a
normal Mobile Extension call.
Callback to Cell Phone will not proceed and no retry is made if all trunks are busy when

trying to callback.
Callback trunk routing follows Program 15-22-03 setting. When set 0 (Normal trunk access

code), ARS also can be used.
If Mobile Extension does not answer the Callback within time set in Program 20-01-16,

Callback will stop. If answered the within the Callback time, the user hears an extension
dial tone. A splash tone is not heard.
If the system receives a "Disconnect" from the far end after a Callback is made, Callback

will stop.
When Calling party number is used, Callback follows the Program 21-19-01 outgoing call

setting of the Mobile Extension which made the outgoing call.
The Callback to Cell Phone feature is not supported when using an analog trunk.

If Flexible ringing is set, the Callback to Cell Phone feature works in any type of Program

22-02-01 trunk setting. If Flexible ringing is not set, the Callback to Cell Phone feature does
not work if the incoming call type is "DID/DISA".
After answering Callback, if the system does not receive a DTMF signal from the Mobile

Extension using Program 20-18-01 (Default; 30 seconds), the system disconnects the call.
The trunk user for SMDR for Callback is tied to the extension number of Mobile Extension.

If the user calls a Mobile Extension port during while using the Callback to Cell Phone

feature, the caller hears a busy tone.
The Callback to Cell Phone feature can be used on the K-CCIS network. AspireNet/Netlink

can be used for the Callback line, but not for the incoming line.
Default Setting
No Mobile Extensions are configured.
System Availability
Terminals
All Multiline Terminals
2 - 1064
UNIVERGE SV8100
Mobile Extension