Voice-over-IP (VoIP) Gateway

Introduction

Instead of using conventional Public Switched Telephone Network (PSTN), VoIP uses packet switched IP data network to send or receive real-time audio streams. VoIP allows voice and data to share the same IP network such as IPLC or Internet and thus it is an alternative & economical means of long distance voice communications. A dedicated VoIP gateway allows you link up 1 or more than 2 PABXs from different regions via an IP data network. It can inter-work with traditional telephone set.

Functions & Features

• Easy-to-use design.
• Extra low bandwidth consumption (only 8kbps / port).
• Unlike other Internet phone, you can talk using a traditional telephone set.
• No need to key-in many numbers for making a call to different regions.
• The VoIP Gateway can operate normally (without any conflict) using local PSTN or internal PABX.
• Save up IDD cost for international call.

Typical Connection

Typical Usage (Referring to the above diagram)

(I.) Making a call from region A to region B:

1. Pick up the handset of any extension telephone.
2. Dial ext. number 11.
3. After hearing a voice prompt, press the extension number (e.g., ext. 23) in region B.
4. The telephone with ext. 23 in region B will ring and one can start conversation.

(II.) Making a call from region B to region A:

1. Pick up the handset of any extension telephone.
2. Dial ext. number 21.
3. After hearing a voice prompt, press the extension number (e.g., ext. 13) in region A.
4. The telephone with ext. 13 in region A will ring and one can start conversation.

For more information, please contact us at 2375-4341 or email to us at sales@cyberchn.com.hk.