Instruction/ maintenance manual of the product RFC 2543 and RFC 3261 Cisco Systems
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A-1 Cisco SIP Proxy Server Administrato r Guide APPENDIX A SIP Compliance This appendix describes Cisco SIP proxy server (C isco SPS) compliance with the Internet Engineering T ask Force (IETF) def initi on of Session Initiation Prot ocol (SIP) as described in the follo win g RFCs.
A-2 Cisco SIP Proxy Server Administrator Guide Appendix A SIP Compliance RFC 2543 and RFC 3261 RFC 2543 and RFC 3261 SIP Functions SIP Methods Cisco SPS supports fi ve of the six methods used b y SIP . It handles un know n methods such as NEWMETHOD in the same manner as kno wn methods such as OPTIONS and REFER.
A-3 Cisco SIP Proxy Server Administra tor Guide Appendix A SIP Compliance RFC 2543 and RFC 3261 • 5xx Response—Serv er Failure Respon ses • 6xx Response—Global Responses T abl e A-3 SIP Respon.
A-4 Cisco SIP Proxy Server Administrator Guide Appendix A SIP Compliance RFC 2543 and RFC 3261 4xx Response—Request Failure Responses 400 Bad Request Request can not be u nderstood because of an illegal format. Y es Generates and forwards this response.
A-5 Cisco SIP Proxy Server Administra tor Guide Appendix A SIP Compliance RFC 2543 and RFC 3261 415 Unsupported media Server ref uses to process the request because the format of t h e body is not supported b y the destination endp oint. Y es Forwards this response.
A-6 Cisco SIP Proxy Server Administrator Guide Appendix A SIP Compliance RFC 2543 and RFC 3261 SIP Header Fields Note All SIP header f ields that concern t he Cisco SPS are correct ly hand led and parsed except for the Hide and Encryption header f ields.
A-7 Cisco SIP Proxy Server Administra tor Guide Appendix A SIP Compliance RFC 2543 and RFC 3261 SIP Transport Layer Protocols T able A -4 SIP Header Fields Header Field Supported? Header Field Support.
A-8 Cisco SIP Proxy Server Administrator Guide Appendix A SIP Compliance RFC 3263 SIP Security RFC 3263 SIP DNS Records Usage T abl e A -6 SIP Secur ity Mode Supported? Encryption Mode End-to-end No Hop-by- Hop Y es Authentication Mode Basic 1 1. Due to its weak security, basic authen tic ation has been deprecated.
An important point after buying a device Cisco Systems RFC 2543 and RFC 3261 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems RFC 2543 and RFC 3261 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco Systems RFC 2543 and RFC 3261 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems RFC 2543 and RFC 3261 you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems RFC 2543 and RFC 3261 will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems RFC 2543 and RFC 3261, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco Systems RFC 2543 and RFC 3261.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems RFC 2543 and RFC 3261. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems RFC 2543 and RFC 3261 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
