Specifications

SWITCHware System Administration Manual136

Supported protocols are:

SIP

IAX

MGCP

H323

17.3.1 SIP

SIP (Session Initiated Protocol, or Session Initiation Protocol), is a signaling protocol for Internet

conferencing, telephony, presence, events notification and instant messaging. The protocol initiates call

setup, routing, authentication and other feature messages to endpoints within an IP domain.