How to connect P-series PBX and S-series PBX as Headquarter and Branch

Introduction

This article introduces of how to connect P-series PBX and S-series PBX as Headquarter and Branch.We use P550 and S100 as example.

 

Preparation

• Two PBXs are able to access each other
• The extension number range are different in both PBXs,for example:                                            extension number range is 4XXX in P550 and 1XX in S100.

 

Connect P550 and S100 via SIP trunk

1.Create Account trunk in P550

• Log in P550 web interface, navigate to Extension and Trunk  > Trunks, click Add to add a new trunk.
• Configure the VoIP trunk as the following figure show. 

• Trunk Status:Enabled
• Trunk Type:Account Trunk
• Provider Name:give a name for the trunk, “S100”.
• Save and Apply. 

 

2.Create Register trunk in S100

• Log in S100 web interface, navigate to Settings > PBX > Trunks, click Add to add a new trunk.
• Configure the VoIP trunk as the following figure show.

• Trunk Status:Enabled
• Trunk Type:Register Trunk
• Provider Name:give a name for the trunk, “P550”.
• Hostname/IP:

           If they are both in local network,enter local IP of P550;

           If they are both in Internet,enter P550’s public IP and forwarded SIP port;

           If you use P-series cloud PBX,enter the domain of it;

           I use RAS server in P550 so I enter the FQDN of P550.

• Domain:same as Hostname/IP.
• Save and Apply.

 

• Check the trunk status:

           In P550:

           In S100

• If connected,you can continue the next step

 

 

Configuration on P550

1.Edit Account Trunk-S100

• Log in P550 web interface, navigate to SIP Headers > Outbound Parameters > From User Part
• select Originator caller ID

 

2.Create outbound route

• navigate to Call Control > Outbound Route,click Add to add a new Outbound Route

• Dial Pattern: The extension number range is 100-102 in S100,so Pattern is XXX 
• Trunk:Select the trunk connect to S100
• Extension / Extension Group:Select the extensions or groups can dial to S100 directly.
• Save and Apply. 
•  
• Make sure this Outbound Route is in the top of Route list,this will not affect the use of other trunks:

 

 

3.Create inbound route

• navigate to Call Control > Inbound Route,click Add to add a new Inbound Route

• DID Pattern: Select Match DID Pattern to Extensions mode,and use {{.Ext}}  as the pattern
• Trunk: Select the trunk connect with S100
• Default Destination: Select Match Selected Extensions then select the extensions or groups can be dialed.
• Save and Apply. 

 

 

Configuration onS100

1.Create Inbound Route in S100

• Log in S100 web interface, navigate to Settings > PBX > Call Control > Inbound Route,click Add to add a new Inbound Route.

• DID Pattern: The extension number range in the S100
• Member Trunks: Select the trunk connnect to P550
• Destination: Select Extension Range and fill in the extension number same as DID Pattern
• Save and Apply. 

Noted:The number of combination of DID Pattern should not be greater than 300,such as max DID combination range is 100-399,if you have more extension number,can create more Inbound Route.

• Log in S100 web interface, navigate to Settings > PBX > Call Control > Outbound Route,click Add to add a new Outbound Route..

 

 

• Dial Pattern: The extension number range is 4XXX in S100,so Pattern is XXXX 
• Member Trunks: Select the trunk connnect to P550
• Member Extensions: Select the Extensions can dial P550 directly.
• Save and Apply. 
• Make sure this Outbound Route is in the top of Route list:

 

Then you can dial the extensions directly from both PBXs.