I have a 7960 driving me up the wall, I managed some time ago to fluke getting 4-6 extensions off a single proxy registration and cannot remember how. Now since a change of internal numbering scheme has been required. So I've made 4 proxy registrations instead all to the same extension/user/auth number and for all calls in and internal calls out this seems to work fine (allowing me to switch between different calls from different sources like if I'm talking to party-A and party-B rings I can hold A and answer B then switch between as I like). Now my issue is I cannot make external outbound calls. When the partners SPA942 rubbish dials out it dials xxxxxxxx@line interface:5060 however the 7960 dials email@example.com (server ip) and gets a "reorder" with a failed dial tone. I assume it's something simple I've overlooked but be buggered if I can work out what. Please help.