Columbia University published a paper title Peer-to-Peer IP Telephony using SIP (by Kundan Singh & Henning Schulzrinne) with some modification to SIP architecture … Neat idea but not that useful.
Columbia University published a paper title Peer-to-Peer IP Telephony using SIP (by Kundan Singh & Henning Schulzrinne) with some modification to SIP architecture … Neat idea but not that useful.