Provisioning Information   C

  Table C-1 through Table C-5 contain information that you must supply to your telephone service provider when you are ordering ISDN PRI, T1, E1, or T3 service. See Figure 1-1 on page 1-9 for a list of supported ISDN switch types.

  For information on how to configure the PortMaster 4 for ISDN PRI, T1, E1, or T3 service, see the PortMaster 4 Configuration Guide.

  Table C-1 Provisioning Information for ISDN PRI  

 

Option	Suggested	Comments
One-way or two-way service	One-way	One-way service is for inbound calling. Two-way service is for both inbound and outbound calling.
Alternating circuit-switched voice and data, or circuit-switched data only	Alternating circuit-switched voice and data	Alternating circuit-switched voice and data permits ISDN and modem calls. Circuit-switched data permits only ISDN calls.
Directory numbers	One, with all channels hunting	Normally a T1 line has a single telephone number. However, when the line is set up for ISDN B channels, multiple directory numbers are supported.
Line framing	Extended super frame (ESF)	ESF and D4 are supported.
Line encoding	Bipolar 8-zero substitution (B8Zs)	Alternate mark inversion (AMI) or B8ZS are supported.
Non-facility associated signaling (NFAS)		NFAS is an optional feature.
Optional Services
Directory Number Identification Service (DNIS)	Yes	One through 10 digits.

  Table C-2 Provisioning Information for Channelized T1 

 

Option	Suggested	Comment
Two-state dual-tone multifrequency (DTMF)	Required
Signaling method	E&M wink	E&M wink and foreign exchange station (FXS) loop start are supported.
One-way or two-way service	One-way	Two-way service will be supported in a future ComOS release.
Directory Number Identification Service (DNIS)	One digit

  Table C-3 Provisioning Information for T1 

 

Option	Suggested	Comment
Line framing	ESF	ESF and D4 are supported.
Line encoding	B8ZS	B8ZS and AMI are supported.
Signalling method	E&M wink	E&M wink and foreign exchange station (FXS) loop start are supported.

  Table C-4 Provisioning Information for E1 

 

Option	Suggested	Comment
Line framing	CRC4	CRC4 and FAS are supported.
Line encoding	HDB3	High-density bipolar 3

  Table C-5 Provisioning Information for T3 

 

Option	Suggested	Comment
Line framing	M13
Line encoding	B3ZS	The T3 Mux board converts bipolar 3-zero substitution (B3ZS) line encoding to nonreturn to zero (NRZ) DS-3 signaling.