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Version 6.2 119 December 2010
SIP Release Notes 2. Supported Features
2.1.2 SIP Compliance Tables
The SIP device complies with RFC 3261, as shown in the following subsections.
2.1.2.1 SIP Functions
The device supports the following SIP Functions:
Table 2-2: Supported SIP Functions
Function Supported
User Agent Client (UAC) Yes
User Agent Server (UAS) Yes
Proxy Server The device supports working with third-party Proxy Servers such as
Nortel CS1K/CS2K, Avaya, Microsoft OCS, Alcatel, 3Com, BroadSoft,
Snom, Cisco and many others
Redirect Server The device supports working with third-party Redirection servers
Registrar Server The device supports working with third-party Registration servers
2.1.2.2 SIP Methods
The device supports the following SIP Methods:
Table 2-3: Supported SIP Methods
Method Supported Comments
INVITE Yes
ACK Yes
BYE Yes
CANCEL Yes
REGISTER Yes Send only
REFER Yes Inside and outside of a dialog
NOTIFY Yes
INFO Yes
OPTIONS Yes
PRACK Yes
UPDATE Yes
PUBLISH Yes Send only
SUBSCRIBE Yes