Integrated Services Digital Network

Overview
Features
Advantages

Improve Business Efficiency and Productivity

SingTel Integrated Services Digital Network (ISDN) allows businesses to enjoy quality, fast and cost-effective ways of transmitting video, voice and data signals over the same phone line.

How Does It Work?

SingTel ISDN service is suited for MNCs, large companies and businesses of various sizes. With SingTel ISDN service, you can implement multiple applications over a single ISDN line and enjoy a cost-effective solution to operate WANs or PABX connectivity to PSTN.

Specific Terms and Conditions

Packed With Features to Help Your Business

Comprehensive telephony features	It enables business telephony features that are supported by your digital PABX system such as Direct Dial-in numbers, Caller ID, Caller ID Block, Call Transfer, Call Forwarding, Call On Hold, Call Waiting, 3-Way Conferencing and Fax.
Quality voice	Clear digital transmission for voice communication means you will never have to compromise on quality.
Business continuity	Redundancy and diversity services are available with minimum additional cost to ensure business continuity.
Scalable trunk group	SingTel ISDN multi-line hunting feature allows you to increase the number of channels in a single trunk group as your business grows.
Direct dial-in	Each ISDN line allows up to 1000 DDI numbers to achieve line optimisation!

Benefit With SingTel ISDN

	Flexibility Implement multiple applications, from video conferencing to Internet access, telephony and fax, all on a single platform.
	Network Efficiency Scale your business across Singapore with the ease of connecting multiple offices to the same PSTN network.
	Business Continuity Can be used as a dedicated backup overflow service to insure against outages or high volume congestion.
	Cost Efficiency Enjoy cost savings by allowing the voice and data channels to be shared by every user of your organisation, operating at different locations.