Cisco Systems RFC 2543 and RFC 3261 Rfc, SIP Security, SIP DNS Records Usage, Mode Supported?

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Appendix A SIP Compliance

RFC 3263

SIP Security

Table A-6 SIP Security

Mode

Supported?

 

 

Encryption Mode

 

 

 

End-to-end

No

 

 

Hop-by-Hop

Yes

 

 

Authentication Mode

 

 

 

Basic1

Yes

Digest

Yes

 

 

Proxy

Yes

 

 

1.Due to its weak security, basic authentication has been deprecated. This is a change from RFC 2543. It is not disabled or removed from Cisco SPS, but will no longer be supported or extended to interwork with new or modified functionality. We strongly discourage the use of basic authentication.

RFC 3263

SIP DNS Records Usage

Table A-7

SIN DNS Records Usage

 

 

 

DNS Resource Record Type

Supported?

 

 

 

A

 

Yes

 

 

 

NAPTR

 

Yes

 

 

 

SRV

 

Yes

 

 

 

Cisco SIP Proxy Server Administrator Guide

A-8

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Contents Contents SIP ComplianceRFC 2543 and RFC SIP FunctionsSIP Methods SIP ResponsesSIP Response Meaning Supported? Cisco SPS Action Table A-3 SIP Responses SIP Response Meaning Supported? Cisco SPS Action SIP Header Fields SIP Transport Layer Protocols Header Field Supported?Transport Layer Protocol Supported? Unicast UDP Yes Multicast UDPMode Supported? RFCSIP Security SIP DNS Records Usage