| Using Open Source SIP to provide PBX-equivalent telephony features |
| Couldn't have done any of this without help from our friends (and vendors) |
| NetPhone Voice over IP
service in Studebaker Building |
| Converged IP Network Applications |
| Survivable IP Network |
| CU NetPhone Feature Summary (1/2) |
| CU NetPhone Feature Summary (2/2) |
| Slide 8 |
| OpenSER – Open SIP Express Router |
| Easy: Adding Called Name
Display w/OpenSER Polycom UA dials x12345 and the display shows name of called party |
| Easy: Adding Called Name Display w/OpenSER |
| Difficult: Bridged/Shared Line Appearance |
| Subscribing to Bridged Line Appearance Presence State |
| Phone A REGISTERs |
| Taking the phone off-hook and lighting all the LEDs |
| Phone A NOTIFYs |
| A sample NOTIFY showing an in-process dialog |
| Moving an on-hold call from Phone A to Phone B |
| A sample Re-INVITE w/Replaces |
| Simple! |