Table 6-1 Transparency Of Bearer Capability When Interworking With C.o./Tie Line - NEC NEAX 2400 IPX Programming Manual

IS-11572 (LAYER 3 SPECIFICATIONS FOR INTER-PBX SIGNALING PROTOCOL)
2. Bearer Capability
The transfer rate is 64 kbps/384 kbps/1,536 kbps/64 kbps × n (since Release 4) only.
•
• This feature provides the following Bearer Capabilities:
– Speech
– Unrestricted Digital Information
– Restricted Digital Information (only in case of interworking)
– 3.1 kHz audio
– Unrestricted Multi-Rate
• At terminating PBX, received bearer capabilities are converted as shown below.
Speech, 3.1 kHz audio, 7 kHz audio → Speech
Unrestricted/Restricted Digital Information, Video → Unrestricted Digital Information
• Transparency of Bearer Capability when interworking with the C.O./Tie Line is shown in

Table 6-1 Transparency of Bearer Capability When Interworking with C.O./Tie Line

BEARER CAPABILITY
INTERWORKING
ISDN → IS-11572
IS-11572 → ISDN
C.O. Line
Analog C.O. → IS-11572
IS-11572 → Analog C.O.
CCIS → IS-11572
IS-11572 → CCIS
Tie Line
ACIS → IS-11572
IS-11572 → ACIS
: Transparent
–
: Not Available
CHAPTER 6
Page 278
Revision 1.0
3.1k
SPEECH 7.1k AUDIO
AUDIO
–
Converted to
3.1k audio
– –
– – –
–
Converted to
3.1k audio
– –
– – –
NDA-24305
UNRESTRICTED RESTRICTED
DIGITAL DIGITAL
– –
– –
–
Converted to
Unrestricted digital
– –
– –
Table 6-1.
VIDEO
–
Converted to
Unrestricted digital
–
–
–
Converted to
Unrestricted digital
–
–