Outbound calls on VoIP lines

When placing an outgoing call the IP address of the destination or Switch/PBX relaying the call needs to be specified.

For example, when dialing another extension on the VoIP Switch/PBX the number dialed would be of the format: extension@ip_address_of_voip_switch eg: 2043@10.1.1.11

According to how the VoIP switch is set up the "extension" could also be an external phone number.

Note that when trying to place calls through internet based service providers it is still at this stage necessary to use the IP address of the VoIP Switch as at this stage HMP will does resolve domain names to IP addresses.

 

When making an outgoing call on a VoIP line it is usually necessary to specify the CallerID to be used on the outgoing call. This advises the switch relaying the VoIP call as to which account/subscriber is making the call.

The CallerID on outgoing calls can be specified using the <CallerID> tag on the Options field when loading the outgoing call. For example, to place a call though a FreeSWITCH system which is installed on a server with IP of 10.1.1.11, and with which the user/extension 1010 has been registered by VoiceGuide, the following entry would need to be placed in the Options field:

<CallerID>1010@10.1.1.11</CallerID>

This approach allows the use of multiple accounts when placing outgoing calls, with the account to be used for a particular call specified at call time.

 

Often on outbound calls the VoIP Switch will require to authenticate the user before allowing the outbound call to be made. To allow HMP to process the authentication request it is necessary to specify the VoIP Line registration and authentication parameters. See the VoIP Line Registraton section.