Linksys BEFSR41 VPN Port forwarding PPTP also needs IP protocol 47 (Generic Routing Encapsulation) for the VPN data traffic itself, but note that this is a required protocol, not a port. The ability to handle this protocol must be built into the router's...

setup is also different for VoIP, with the specifics depending on the VoIP protocol being used. For the home and small office VoIP applications that I'll be focusing on, the two most often encountered protocols are H.323 and SIP (Session Initiation Protocol)....

all the details.. Part of what I wanted to learn was whether the VoIP signaling protocol battle was as over as it seems to be. Most consumer VoIP products use the SIP protocol (see this page of our VoIP NTK for more info.), although the older protocols continue...

typically had support for the UPnP protocol. The Audio/Video portion of this protocol is designed to standardize the communication required for a client to index, fetch and playback multimedia files. An additional benefit of support for this protocol is the...

of instant messaging (IM) and peer-to-peer (P2P) programs and protocols. Moreover, the 2930n supports voice and streaming media, including Session Initiation Protocol (SIP), Real-Time Protocol (RTP) and Real-Time Control Protocol (RTCP) for VoIP and video conferencing....

BSP, but also makes sure that you don't get abruptly disconnected. PPPoE Point-to-Point Protocol over Ethernet, or PPPoE is the newest method of authentication, and was driven into the market by DSL BSP's. It requires a user name and password, but uses a protocol...

TCP/IP. The other way to play remote multimedia content is to run a media server that uses a streaming protocol to deliver content from server to player. These servers use protocols such as RTP and RTCP that are built on the UDP protocol. The conventional wisdom...