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Capabilities of Typical ISDN Switches
5ESS Custom -- BRI
Data only:
- 2 B-channels for data
- Point to point
- Terminal Type = E
- 1 Directory number assigned by service provider
- MTERM = 1
- Request delivery of Calling Line ID on centrex lines
- Have to set speed of calls to 56kb outside the local exchange.
Voice/Data:
- Only use this if you have a voice device connected, i.e., ISDN telephone
- 2 B-channels for voice or data
- Multipoint
- Terminal Type = D
- 2 Directory numbers, assigned by service provider
- 2 spids required, assigned by service provider, format = 01xxxxxxx0,
where the x is replaced with the 7 digit phone number, no area code
- MTERM = 2
- Number of call appearances = 1
- Display = No
- Ringing/Idle Call Appearances = Idle
- Autohold = No
- Onetouch = No
- Request delivery of Calling Line ID on centrex lines
- Have to set speed of calls to 56kb outside the local exchange.
- Can have directory number 1 hunt to directory number 2, it does cost a
little extra money
5ESS NI1 -- BRI
- Terminal Type = A
- 2 B-channels for voice and data
- 2 Directory numbers, assigned by service provider
- 2 spids are required, assigned by service provider format will vary
- Have to set speed of calls to 56kb outside the local exchange.
- Can have directory number 1 hunt to directory number 2, it does cost a
little extra money
DMS-100 -- BRI
- 2 B-channels with both voice and data
- 2 Directory numbers, assigned by service provider
- 2 spids, assigned by the service provider
- Functional signaling
- Dynamic TEI assignment
- Maximum number of keys = 64
- Release Key = No, or Key Number = No
- Ringing Indicator = No
- EKTS = No
- PVC = 1, for all BCS loads up to BCS 34, a PVC = 2 means NI1. This
causes a problem because then a 2 digit TID is appended to the spid.
Use PVC=1
- Request delivery of Calling Line ID on centrex lines
- Have to set speed of calls to 56kb outside the local exchange.
- Can have directory number 1 hunt to directory number 2, it does cost a
little extra money
Primary Rate Lines -- 5ESS, DMS-100, and 4ESS
- Line format = ESF
- Line coding = B8ZS
- Call type = 23 incoming channels and 23 outgoing channels
- Speed = 64 kbps rate
- Call by Call capability
- 23B+D
- Trunk Selection Sequence = descending (23-1)
- Set B+D glare = yield
- Only 1 Directory number, assigned by service provider
- Have to set speed of calls to 56kb outside the local exchange.
- *no spids required*
Posted: Wed Oct 11 10:00:16 PDT 1995