linkek — Cisco router and CallManager https://www.cisco.com/en/US/products/sw/voicesw/ps556/products_configuration_example09186a0080334294.shtml http://www.cisco.com/en/US/docs/ios/12_3/vvf_c/interop/intcnf2.html http://www.cisco.com/en/US/products/sw/voicesw/ps5475/products_tech_note09186a008026d36f.shtml Twitter Facebook Del.icio.us Reddit