TeleSoft provides
many WAN protocol software packages, including an E1 R2
Channel Associated Signaling (CAS) protocol stack in C source code
that supports ITU MF R2 signaling per Q.421 and
Q,422
Telesoft's E1 R2 source code library supports Maintenance operations
for:
TeleSoft's E1 R2 SDK supports Alarms capability per 1.431, G.732 and
ETSI 300-233
TeleSoft's E1 R2 stack supports line encoding for HDB3 and CMI
Telesoft's E1 R2 stack supports Multi-Frequency (MF) signaling
for at least sixteen country variants

TeleSoft International is the original developer of
the TsLink3 range of high performance WAN protocols including ISDN BRI
and PRI, QSIG, CAS E1 R2, T1 RBS, AO/DI, ML-PPP, Frame Relay, X.25, and
also a range of hardware reference designs. TsLink3 protocol source code
is exceedingly well engineered - tightly coded for performance and
compact footprint, with a quality that delivers rock-solid stability.
TeleSoft's foundations go back to 1986 when the first
ISDN stack was released. Since then TeleSoft's protocols have been
proven in use by more than 200 customers worldwide. World leaders, including AT&T, Cisco, D-Link, Digital
Equipment, Fujitsu, IBM, Lucent, Matsushita, Multi-Tech, NTT, Polycom,
and Vertical Networks have all used the source code for TeleSoft's proven protocol
software.
Manufacturers license the source code for TeleSoft's
proven T1 RBS, E1 R2 CAS, and other protocol
stacks and reference designs to get their products to market faster with
minimized technical risk and development costs. TeleSoft focuses on
developing the software and hardware so that you can focus on
manufacturing and shipping your product.
The TeleSoft software development toolkit (SDK) has available interfaces to
several standard preemptive and non-preemptive real-time operating systems
and non-real time operating systems, including ATMOS, Linux, MQX, Nucleus
Plus, OSE, pSOS, TsRITE*, VRTX, and VxWorks
If a customer selects a different OS
than one from the list above, one of the pre-ported OS interfaces can be
used as a template to rapidly develop a new OS interface. TsLink3
customers have leveraged the OS-independent architecture to port to other
operating systems including Solaris, Windows, and Proprietary operating
systems
* TsRITE is a TsLink3 product, and is
a compact, low-overhead RTOS customized for protocol and B-channel data
requirements. It is royalty-free.