Toshiba CTX28 用户手册

Private Networking Over Internet Protocol

Strata Net CTX multi-system networking can be implemented over an IP network using Strata 
CTX systems with BIPU-Q1A IP interface PCBs. The BIPU-Q1A requires CTX Release 2.1 
software. This feature offers the same connection service as ISDN dedicated lines with QSIG 
protocol on the public network. QSIG over IP, like any other IP device (i.e., Cisco routers, etc.) 
does support reliable passage of modemized data signals, such as modem signal and G3 fax.

eight or 16 circuits

Strata Net over IP Networking

None

The BIPU-Q1A can be configured for up to 16 channels in system programming. The BIPU-Q1A 
supports the same functions of call control as the dedicated ISDN QSIG interface and the two 
interface types can be mixed in on a Strata Net network. However, the BIPU-Q1A only interfaces 
with the BIPU-Q1A, not with the BPTU or RPTU interfaces and vice versa.

For bandwidth requirements, refer to the section 

Refer to 

 if you are planning to mix 

analog and IP QSIG circuit cards in the same Strata CTX system.

An example of Strata Net QSIG over IP networking is shown below.

IP Network
(Internet, Intranet, WAN)

T1, Fiber, etc.

6755

LAN

LAN

LAN