communication
–
simple
–
flexible
–
unlimited
© Vonamic GmbH 2020
Subject to technical modifications
24
3.6
SIP connection
The V640 desktop call station can be integrated as a subscriber / terminal in a SIP (Session Internet
Protocol) environment. The following RFCs are supported:
•
RFC3261 compliant (SIP 2.0) without redirection and ringing mode, for which there is
currently no application in the VIPCOS system.
•
RFC4566 compliant SDP (Session Description Protocol)
•
„Loose routing” and „strict routing”
•
„Early Media support”
•
„Offer/Answer” (RFC3264)
•
STUN Client (NAT traversal)