TeleSoft International licenses protocol stacks for networking products. Telecom and datacom stacks available include:

• CompactSIP
• AO/DI
• ISDN, Q.931, Q.921 LAPD, DSS1
• Voice Supplementary Services
• Frame Relay
• ML-PPP
• MultiLink Frame Relay
• QSIG
• T1 RBS, E1 CAS R2
• TsGATE Soft SIP-PTSN Gateway
• X.25

Manufacturers license TeleSoft's conformance proven source code stacks and reference designs to get their products to market faster with minimized  technical risk and development costs. Watch this 3 minute movie to learn how TeleSoft can get your product to market faster.

Why Choose TeleSoft International?

TeleSoft code is compliance-tested worldwide, OS-independent, and interfaced to many OSs including LINUX, Nucleus, and VxWorks.

We offer reliable, scalable code with clear traceable dataflow to give you:

	A competitive edge
	Optional High Availability code
	Minimized technical risk
	The fastest path to customized market-ready products
	The best value for code, technical support and integration knowledge.

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Join Industry Leaders who have built on TsLink3 stacks including:

Allied Telesis
AT&T
Cisco
D-Link
Digicom
Digital Equipment
Fujitsu
IBM
Innomedia
Italtel
Lucent

Marconi
Matsushita
Multi-Tech
NEC
NTT
Polycom
Rauland-Borg
Shanghai Bell
Siemens
Sonexis
US Robotics
Vertical Networks