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FreeSWITCH 1.6 Cookbook by Giovanni Maruzzelli, Michael S Collins, Anthony Minessale II

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Outgoing calls

In order to make your system useful, you need a way to dial out to the "real world". This recipe will cover dialing out to the PSTN and allow you to connect to landlines, cellular phones, and so on. In this recipe, we'll make an extension that will allow an outbound call to any valid US number. We'll attempt to complete the call using the gateway named our_sip_provider (see the Configuring an SIP Gateway section in Chapter 2, Connecting Telephones and Service Providers).

Getting ready

Making outbound calls requires you to know the numbering format that your provider requires. For example, do they require all 11 digits for US dialing? Or will they accept 10? In our example, we're going to assume that our provider will accept a 10-digit ...

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