Hi
The feature you are talking about is called 'PLAR' or Private Line Automatic Ringdown...
If you want to start teh automatic dial from an IP Phone, use the intercom command:
http://www.cisco.com/en/US/products/sw/voicesw/ps4625/products_command_reference_chapter09186a0080611355.html#wp1050890
Alternatively, if you have an analogue phone in the street you want to start the auto dial, set this on the voice port:
voice-port 1/0:1
connection plar 2000
Hope this helps...
Regards
Aaron
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Aaron
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