NEAX2000 IVS2 ISDN System Manual
Page 20 ND-70919 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
Event Based CCIS Service Conditions• Event Based CCIS connection is available between NE C N EAX PBX s.
• The maximum number of the virtual tie lines is 16 channels per one system, including both
common signaling channels and voice channels.
• This feature supports voice calls only. Supported objects at PBX transmission side: s ingle
line telephone, Dterm, DID/E&M/Ring Down (analog/T1/E1) tandem calls.
• The data calls are transmitted via the regular ISDN network.
• The number of originating calls from the ISDN trunk is counted as Peg Count when using
the ISDN line for the virtual tie line by route basis.
• Billing information of the virtual tie line using the ISDN line can be treated as regu lar tie line
calls.
• Billing information of the virtual tie line using the ISDN line can be treated on tandem calls.
• The voice channel of the virtual tie line is released after the call is finished.
The common signaling channel of virtual tie line is release d after all calls on voice channels
are finished. The release timer is determined by system timer programming for the voice
channels and the common signaling channels.
• The ISDN line used for the virtual tie line can also be used as a regular ISDN line.
The trunk route used for the virtual tie line can be distinguished from the regular ISDN line
by assigning different LCR data in system programming.