IP PBX Configuration Issabel [PDF]

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IP PBX Configuration Issabel Issabel is an Open Source Unified Communications Software. SIP Trunk configuration instructions below apply to the following Issabel versions: 



Issabel V.4



Documentation is provided for scenario where Issabel server uses Static IP address on the public Internet and when Dynamic IP address is used. To begin SIP Trunk configuration open PBX Configuration:



Issabel



Figure 9.1 Issabel PBX Configuration.



1. Click PBX on left side menu bar. Next follow "Static IP address" or "Dynamic IP address" section below.



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Static IP address



Figure 9.2 Issabel SIP Trunk - static IP address.



1. Static IP address (a.b.c.d in our example above) of your Issabel server will be added to GoTrunk service IP ACL (Access Control List) and outbound calls coming from that IP address will be accepted without requiring any further authentication (SIP username and password). This is the most efficient way of authenticating SIP calls. 2. Inbound calls to one of Telephone Numbers on your GoTrunk account will be sent directly to Issabel public IP address. Since the calls will be coming from known peer (IP address of SIP Trunking service q.x.y.z in our example above) Issabel will accept them without requiring any further authentication.



To configure Issabel server to work with GoTrunk SIP trunk using IP authentication the following changes are required:



Figure 9.3 Issabel add SIP Trunk - static IP address.



Follow steps below to add SIP Trunk: 1. 2. 3. 4.



Select Trunks. Click Add SIP Trunk button. Enter name of the trunk as gotrunk Enter the following into PEER Details field (replace eu.st.ssl7.net with amn.st.ssl7.net if you want to use North America POP):



type=peer host=eu.st.ssl7.net context=from-trunk



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5. Click Submit Changes button. Next follow "Routing configuration" instructions below.



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Dynamic IP address



Figure 9.4 Issabel SIP Trunk - dynamic IP address.



1. For outbound calls from Issabel to GoTrunk SIP Credentials (SIP username and password) authentication is used. 2. For inbound calls to one of Telephone Numbers on your GoTrunk account to work Issabel needs to Register with GoTrunk service (and periodically refresh registration in case IP address changes). Calls will be sent to IP address which was sent in the most recent Issabel Registration. Since the calls will be coming from known peer (IP address of SIP Trunking service q.x.y.z in our example above) Issabel will accept them without requiring any further authentication. To configure Issabel server to work with GoTrunk SIP Trunk using SIP Credentials authentication the following changes are required:



Figure 9.5 Issabel add SIP Trunk - dynamic IP address.



Follow steps below to add SIP Trunk: 1. 2. 3. 4.



Select Trunks. Click Add SIP Trunk link. Enter name of the trunk as gotrunk Enter the following into PEER Details field (replace eu.st.ssl7.net with amn.st.ssl7.net if you want to use North America POP):



type=peer host=eu.st.ssl7.net context=from-trunk qualify=yes



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defaultuser=outbound_sip_username



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