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- How SIP works in the VoIP Gateway
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- How to Integrate MX Gateway with OM IP-PBX
- Interconnect Two PBXs with FXO Gateways
- Interconnect Two or More Extension Lines with FXS Gateways
- Connecting MX100G-S SIP-ISDN Gateway to Elastix
- Connecting MX100G-S SIP-ISDN Gateway to Asterisk
- Expanding PBX Extensions to Remote Sites through IP Network
- Multi-site Configuration for Gateways with Analog PBX
- How to Troubleshoot Caller ID Detection Issues on FXO Port
- Security Configuration Guide for New Rock OM Series IP-PBX
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- Tie Trunk Configuration for OM with Elastix
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- What is VoIP gateway?
- What’s the Difference between VoIP Gateway and SIP Trunk?
- Smart Switchboard Introduces Exclusive Premium Customer Services
- What's the Difference Between VoIP Gateway and ATA?
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- New Rock’s New Gateway Security measures
- Global VoIP Gateway Service Provider
- How to Setup VoIP Gateway - A Complete Installation Guide
- What is HX&MX VoIP Gateway Default Password?
- Auto Provisioning
- Six Practices for Audio Security
- “PSTN failover” - Strong Support for High-availability IP Audio Communications
- New Rock IP-PBX: Your All-In-One IP Office Telephony System
- Connecting E1/T1-Based PBX to IP Telephony Networks
- Popular IP-PBX Features Favored by Highly Efficient Officers
- Five-star Customer Services
- Top Three Advantages of Gateways with Imbedded VPN Clients
- Low-Cost, High-Quality Gateway
- Smart FoIP
- Two Typical Applications for Telephone Networks
- IPv6’s Top Three Advantages in VoIP Applications
- MX100G-S SIP-ISDN Trunking Gateway Training
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- MX120G Quick Installation Guide
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- SX3000 Quick Installation Guide
- PT2400 Quick Installation Guide
- PT4800 Quick Installation Guide
Scenario
In this scenario, five gateways with analog PBXs are located at different sites connected on the same LAN.
In this diagram, each gateway is installed with the FXO ports connecting to the extension ports (FXS ports) of the PBX while the WAN port connecting to the switch in the local office. All gateways are interconnected over the IP network with SIP protocol in peer-to-peer mode for call set-up.
Note: A static public IP address is required if the IP network is Internet.
Configuration on Gateway A
1.On Routing > Routing Table page, setup the routing rules for directing call from FXO port to IP and vice versa, as follows:
2.On the Line > Trunk, select Second stage dialing in the inbound handle field, and select Dialing tone.
1.On Routing > Routing Table page, do the similar routing as follows.
2.On the Line > Trunk, same as we did on gateway A.
Configuration on Gateway C
1.On Routing > Routing Table page, do the similar routing as follows.
2.On the Line > Trunk, same as we did on gateway A.
1.On Routing > Routing Table page, do the similar routing as follows.
2.On the Line > Trunk, same as we did on gateway A.
1.On Routing > Routing Table page, do the similar routing as follows.
2.On the Line > Trunk, same as we did on gateway A.
Dialing Method
For making calls from one site (for example extension 100)to an extension on the other site (for exampleextension200), the user of extension 100picks up the phone and dials the number for the local extension port which connects to the gateway (101 in this example), and then dials 200 after hearing the second stage dial tone from the local gateway.- Support
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