User Manual
Table Of Contents
- Chapter 1 Introduction
- Chapter 2 Preparations & Installation
- Chapter 3 Network Service Configurations
- Chapter 4 VoIP Telephone Adapter Configurations
- Chapter 5 Netowrk
- Chapter 6 NAT Trans
- Chapter 7 SIP Setting
- Chapter 8 Advance Setting
- Chapter 9 Other Setting
- Appendix A Voice Communication Samples
- Case 1: ATA to ATA connection via IP address
- Case 2: (Peer-to-Peer mode) VIP-157S Port 1 to Port 2 communications
- Case 3: Call Forward Feature_Example 1
- Case 4: Call Forward Feature_Example 2
- Case 5: Call Forward Feature_Example 3
- Case 6: Call Forward Feature_Example 4
- Case 7: Auto Answer Feature_IP to PSTN
- Case 8: Auto Answer Feature_PSTN to IP
- Appendix B The method of operation guide
- Appendix C VIP-156/VIP-156PE/VIP-157/VIP-157S Specifications

57BCase 5: Call Forward Feature_Example 3
In this example, there are one VIP-157 and two VIP-156 register to IPX-300. The VIP-157_A had set
Call Forward function to number 2002 (VIP-156_B).
Machine configuration on the VIP-157:
Please log in VIP-157_A via web browser, browse to the Phone Settings menu and select
the Call service config menu. In the setting page, please select the All Forward function to
IP choice and fill in the Forward Type and Forward Number of of VIP-156_B, and then the
sample configuration screen is shown below:
Test the scenario:
1. PSTN Phone Number 11112222 pick up the telephone
2. Dial the PSTN Phone Number 33334444(VIP-157_A)
3. Because VIP-157_A had set up All Forward function to the number 2002(VIP-156_B)
4. The number 2002(VIP-156_B) will ring up then it pi ck up the telephone and communication
with the PSTN Phone Number 11112222
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