Switching to VoIP

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Chapter 5: Enterprise Telephony Applications

The contents of features.conf (or parking.conf) should look like this:

[general]

parkext => 700

parkpos => 701-720

context => parkedcalls

Don’t forget to issue a “restart now” at the Asterisk CLI.

Try calling into your PSTN interface from a second telephone company line or from

your cell phone. When your ring group from Project 4.2 rings, answer the call on one

of the SIP phones, then perform a transfer to extension 700. On the Cisco 7960, this

is done by pressing the More softkey, then the Transfer softkey, then dialing 700,

then pressing the Dial softkey. A spoken voice will tell you which park extension is

going to hold the call. Then, press the Transfer softkey again to complete the park.

The call with your cell phone will cease on the 7960, but the softPBX is keeping the

call on hold, parked at extension 701. Subsequent calls would be parked at 702, 703,

and so on.

Now, go get yourself a cup of coffee or a refreshing ice water. When you return,

assuming your cell phone hasn’t run out of battery power, that call will still be

parked. To unpark it and resume it, call 701 from one of your SIP phones.

Put that call in orbit

To add an orbit-style timer to the parking zone, so that the holding call automati-

cally rings back to the parker, add ...