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Polycom SOUNDPOINT SIP 2.2.0 User Manual

Page 219

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Session Initiation Protocol (SIP)

B - 5

Diversion

Yes

Error-Info

No

Event

Yes

Expires

Yes

From

Yes

In-Reply-To

No

Max-Forwards

Yes

Min-Expires

No

Min-SE

Yes

MIME-Version

No

Organization

No

P-Asserted-Identity

Yes

P-Preferred-Identity

Yes

Priority

No

Proxy-Authenticate

Yes

Proxy-Authorization

Yes

Proxy-Require

No

RAck

Yes

Record-Route

Yes

Refer-To

Yes

Referred-By

Yes

Remote-Party-ID

Yes

Replaces

Yes

Reply-To

No

Require

Yes

Retry-After

No

Route

Yes

RSeq

Yes

Server

No

Session-Expires

Yes

Header

Supported

Notes