Talk:Microsoft Response Point
db-ad: This is a total advertisement.
18.104.22.168 18:43, 23 August 2007 (UTC)Travis
"uses SIP as its signaling and call setup protocol."
Nothing on the reference now to support that statement.
Service Pack 2 supports SIP Trunks, which the original release apparently did not.
Aastra, the RP phone/server provider has on there product page "RP to Standards-Based SIP Phone Conversion Firmware"