
© Time Warner Cable Business Class
PRI over DOCSIS
Voice-only, IP-enabled service for customers who require a PRI handoff
Service configuration and delivery
– Standard PRI: 23B+D (23 B voice channels) via fiber or DOCSIS
– Fractional PRI: 8, 12, 16 voice (B) channels via DOCSIS
Standard PRI features
– Calling number/name delivery, caller ID, two-way service, DID blocks
– Service level agreement—service outage credits with service availability
objective of 99.97 percent
TWC IP
Network
PBX
TWC Network
Customer Premises
TWC
IP Network
Circuit-Based
DOCSIS (HFC)
SIP Signaling
Voice Gateway
PRI
Packet-Based
CMTS
12
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