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CHAPTER 6 NDA-24305
Page 280
Revision 1.0
IS-11572 (LAYER 3 SPECIFICATIONS FOR INTER-PBX SIGNALING PROTOCOL)
• Connectivity between IS-11572 and terminal equipment is shown below.
4. Calling/Called Party Number Information
• As a calling/called party number, a maximum of 32 digits can be transmitted and received.
(Note that the contents of the calling/called party number display vary depending on the type of
terminal.)
• When different signalling systems are involved, transparency of calling/called party number is as
shown below:
•D
term
or analog telephone user can select whether to send the calling number or not.
2. Operating Procedure
No manual operation is required.
CONNECTIVITY REMARKS
BRI Station → IS-11572
IS-11572 → BRI Station
PRI Station → IS-11572
IS-11572 → PRI Station
IS-11572 → D
term
D
term
→ IS-11572
Analog Station → IS-11572
IS-11572 → Analog Station
: Available
TYPE OF NETWORK TRANSPARENCY
CCIS Network The former 16 digits are transferred.
ISDN Network Transparent
ISDN Private Network Transparent